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REGULAR ARTICLE Effects of Perceived Social Loafing, Social Interdependence, and Group Affective Tone on Students’ Group Learning Performance Chih-Ching Teng Yu-Ping Luo Ó De La Salle University 2014 Abstract This study investigates how students perceived social loafing and social interdependence influence group learning performance through group affective tone in undergraduate hospitality and tourism curricula. A ques- tionnaire survey was administered to collect data from college students majoring hospitality and tourism man- agement at four Taiwanese universities. Of 660 distributed questionnaires, 634 questionnaires were returned, accoun- ted for a 96 % response rate. To justify the aggregated individual data to the group level, this study used the within-group inter-rater agreement (r wg ) to assess and determine 123 valid learning groups for data analysis. The analytical results show that group affective tone signifi- cantly mediates the effect of social loafing and social interdependence on group productivity, but not on group final grades. Specific implications and suggestions are also discussed. Keywords Group learning performance Á Social loafing Á Social interdependence Á Group affective tone Á Hospitality and tourism education Introduction Group learning has recently continued to attract increasing attention in higher education and workplaces (Guzzo & Shea 1992; Hassanien 2006; Njie et al. 2013). Several studies have examined the effectiveness of group learning, and have confirmed its ability to improve overall student performance, facilitate communication and critical think- ing, foster socialization skills, and influence learning atti- tude (Gerdy 1998; Gillies & Ashman 2003; Johnson & Johnson 2000; Johnson et al. 1991). Hassanien (2006) identified the elements of learning groups essential for effective college student learning. First, group members must initiate and sustain collaborative relationships over a semester. During this period, group members must support and motivate one another to complete course assignments or goal-oriented tasks. Particularly in the case of hospitality and tourism education, students majoring in hospitality and tourism management must collaborate on culinary skill development, discussion-group, and project activities. Additionally, group learning opportunities can equip stu- dents with professional skills of interest to hospitality and tourism employers, such as creative thinking, problem- solving, interpersonal communication, and teamwork. Most importantly, the learning experience allows group members to identify common goals, participate in group discussions, and ultimately finish project reports, and thus improve their overall course performance. Although the incorporation of group learning into the hospitality and tourism curriculum offers several potential benefits, students participating in such groups may not always have consistently good learning experiences. Pre- vious studies have found that social loafing has been cited as the most critical negative influence on effectiveness, and hence the biggest contributor to group experiences (Ag- garwal & O’Brien 2008). Since the perceived action or inaction of fellow group members guides the behavior of individual group members, a single social loafer can influence overall group dynamics (Liden et al. 2004). C.-C. Teng (&) Á Y.-P. Luo Department of Restaurant, Hotel, and Institutional Management, Fu-Jen Catholic University, 510 Chung Cheng Rd., Hsinchuang Dist., New Taipei City 24205, Taiwan e-mail: [email protected] Y.-P. Luo e-mail: [email protected] 123 Asia-Pacific Edu Res DOI 10.1007/s40299-014-0177-2

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Page 1: Effects of Perceived Social Loafing, Social Interdependence, and Group Affective Tone on Students’ Group Learning Performance

REGULAR ARTICLE

Effects of Perceived Social Loafing, Social Interdependence,and Group Affective Tone on Students’ Group LearningPerformance

Chih-Ching Teng • Yu-Ping Luo

� De La Salle University 2014

Abstract This study investigates how students perceived

social loafing and social interdependence influence group

learning performance through group affective tone in

undergraduate hospitality and tourism curricula. A ques-

tionnaire survey was administered to collect data from

college students majoring hospitality and tourism man-

agement at four Taiwanese universities. Of 660 distributed

questionnaires, 634 questionnaires were returned, accoun-

ted for a 96 % response rate. To justify the aggregated

individual data to the group level, this study used the

within-group inter-rater agreement (rwg) to assess and

determine 123 valid learning groups for data analysis. The

analytical results show that group affective tone signifi-

cantly mediates the effect of social loafing and social

interdependence on group productivity, but not on group

final grades. Specific implications and suggestions are also

discussed.

Keywords Group learning performance � Social loafing �Social interdependence � Group affective tone �Hospitality and tourism education

Introduction

Group learning has recently continued to attract increasing

attention in higher education and workplaces (Guzzo &

Shea 1992; Hassanien 2006; Njie et al. 2013). Several

studies have examined the effectiveness of group learning,

and have confirmed its ability to improve overall student

performance, facilitate communication and critical think-

ing, foster socialization skills, and influence learning atti-

tude (Gerdy 1998; Gillies & Ashman 2003; Johnson &

Johnson 2000; Johnson et al. 1991). Hassanien (2006)

identified the elements of learning groups essential for

effective college student learning. First, group members

must initiate and sustain collaborative relationships over a

semester. During this period, group members must support

and motivate one another to complete course assignments

or goal-oriented tasks. Particularly in the case of hospitality

and tourism education, students majoring in hospitality and

tourism management must collaborate on culinary skill

development, discussion-group, and project activities.

Additionally, group learning opportunities can equip stu-

dents with professional skills of interest to hospitality and

tourism employers, such as creative thinking, problem-

solving, interpersonal communication, and teamwork.

Most importantly, the learning experience allows group

members to identify common goals, participate in group

discussions, and ultimately finish project reports, and thus

improve their overall course performance.

Although the incorporation of group learning into the

hospitality and tourism curriculum offers several potential

benefits, students participating in such groups may not

always have consistently good learning experiences. Pre-

vious studies have found that social loafing has been cited

as the most critical negative influence on effectiveness, and

hence the biggest contributor to group experiences (Ag-

garwal & O’Brien 2008). Since the perceived action or

inaction of fellow group members guides the behavior of

individual group members, a single social loafer can

influence overall group dynamics (Liden et al. 2004).

C.-C. Teng (&) � Y.-P. Luo

Department of Restaurant, Hotel, and Institutional Management,

Fu-Jen Catholic University, 510 Chung Cheng Rd., Hsinchuang

Dist., New Taipei City 24205, Taiwan

e-mail: [email protected]

Y.-P. Luo

e-mail: [email protected]

123

Asia-Pacific Edu Res

DOI 10.1007/s40299-014-0177-2

Page 2: Effects of Perceived Social Loafing, Social Interdependence, and Group Affective Tone on Students’ Group Learning Performance

When group members perceive others to be withholding

effort, they are more likely to reserve their own effort to

avoid being exploited (Schnake 1991). This phenomenon

then decreases the motivation of group members to achieve

their goals and eventually negatively impacts group per-

formance. Effective learning groups thus should seek to

avoid social loafing.

In contrast, social interdependence frequently occurs in

high productivity groups (King & Ganotice 2013; Tarri-

cone & Luca 2002). Johnson and Johnson (1989) claimed

that social interdependence exists when individual out-

comes are affected by the actions of themselves and others.

Members of positive social interdependence groups trust

each other, acknowledge common values, and are more

likely to develop explicit group norms that dictate indi-

vidual responsibilities and obligations. For instance, when

group members believe in maintaining group unity, they

tend to be proud of the group and committed to achieving

common goals (Bartel & Saavedra 2000). This state of

mind generates a positive affective reaction within the

group (Kidwell et al. 1997) and thus increases group pro-

ductivity (Chen et al. 2013; Staples & Webster 2008; Tsai

& Chi 2008). Given the increased importance of group

learning, the influence of social loafing and social inter-

dependence needs to be better understood to enhance group

learning performance.

Previous investigations demonstrated group affective

tone to be instrumental in improving group performance

(Chen et al. 2005). George (1990) used Attraction-Selec-

tion-Attrition processes and socialization in groups

(Schneider 1987) to elucidate group affective tone and

determine the existence of within-group agreement in

terms of group member moods, which could be linked to

group behaviors and outcomes. Weiss and Cropanzano

(1996) further applied Affective Events Theory to explain

the process of affection binding among individuals. Indi-

viduals become aroused when they encounter an emotional

event, and this arousal can be a catalyst for individual

emotional reactions (Ashkanasy 2003; Bowling et al. 2005;

Judge & Larsen 2001). That is, group members who per-

ceive either social loafing or social interdependence will

develop positive or negative emotions together with the

group interaction. This affective reaction strongly influ-

ences group behavior and performance. According to this

rationale, positive group affective tone is likely to enhance

group productivity and achievement in class learning.

While previous studies have discussed the effects of

social loafing, social interdependence and affective reac-

tion on collaborative learning, research is lacking on the

psychological process of group interaction and learning

performance. Thus, this study describes how perceived

social loafing, social interdependence, and group affective

tone influence group learning performance, and specifically

examines the mediating role of group affective tone. The

study findings are based on a questionnaire survey focused

on groups of students taking hospitality and tourism man-

agement courses. The study results can improve under-

standing of how to maximize the effectiveness of group

learning by discussing the application of social psychology

to education, thus enabling lecturers and educators to

improve student performance in class group learning.

Literature Review

The Relationship between Perceived Social Loafing

and Group Affective Tone

Social loafing denotes a psychological phenomenon that

occurs within groups, whereby individuals tend to expend

less effort when working in a group than when working

independently (Williams & Karau 1991). Aggarwal and

O’Brien (2008) described social loafing as ‘‘a behavior

pattern whereby group members perceive an individual

working in a group setting as failing to contribute his or her

fair share’’ (p. 256). In real work settings, Comer (1995)

defined perceived social loafing as describing the phe-

nomenon where group members perceive their coworkers

to be exerting less effort than themselves. In the case of

social loafing, the working motivation of group members is

hindered if they find their coworkers are not working at full

capacity (Dick et al. 2009). Still worse, social loafers

contribute less than their fair share to group efforts but reap

the benefit of the efforts of other group members because in

school learning the entire group is assigned a common

grade (Aggarwal & O’Brien 2008). Consequently, group

members can become disgruntled by the unfair work dis-

tribution that results from social loafing (Tsai & Chi 2008).

George (1990) developed the term ‘‘group affective

tone’’ and used it to refer to consistent or homogeneous

affective reactions within a group. When group affective

tone exists in a group, group members experience similar

mood states at work and may generate consistent mental

models through the social impact and the process of

drawing comparisons between group members, including

primitive emotional contagion, social influence processes,

and cooperation to perform common group tasks (George

1996). Negative group affective tone develops if social

loafing causes group members to feel bad. Specifically,

negative emotional events carry more weight with the

group than positive ones (Bowling et al. 2005). As Wil-

liams et al. (1991) indicated, social loafing is the primary

complaint among class learning groups with regard to why

students dislike group projects. Indeed, the problem of

social loafing appears to be one of the biggest challenges of

group learning (Aggarwal & O’Brien 2008). The existence

C.-C. Teng, Y.-P. Luo

123

Page 3: Effects of Perceived Social Loafing, Social Interdependence, and Group Affective Tone on Students’ Group Learning Performance

of social loafing in group work thus causes students to

experience negative emotions that adversely influence

group affective tone. This study thus hypothesized the

following:

H1 Perceived social loafing negatively influences group

affective tone.

The Relationship between Perceived Social

Interdependence and Group Affective Tone

Social interdependence theory has become one of the most

successful and widespread practical applications of social

and educational psychology (Johnson & Johnson 2009).

Social interdependence describes the interactions between

group members whose actions influence individual goal

accomplishment (Tarricone & Luca 2002). Positive inter-

dependence exists when individuals perceive themselves as

able to achieve their goals if and only if others with whom

they are cooperatively linked also achieve their goals

(Johnson & Johnson 2008). When positive social interde-

pendence exists, group members promote the efforts of one

another and encourage others. In contrast, negative inter-

dependence exists when individuals perceive that other

competitive individuals will hinder their goal achieve-

ments. If negative social interdependence exists, group

members compete with coworkers, and discourage and

obstruct each other’s progress to achieve their goals

(Johnson et al. 1998).

Previous studies have identified that positive social

interdependence causes promotive interaction, which is

defined as individuals assisting and encouraging one

another (e.g., through mutual help and assistance, exchange

of needed resources, effective communication, trust, and

constructive management of conflict) to complete tasks

required to reach group goals (Johnson & Johnson 2008).

Bartel and Saavedra (2000) and Mudrack (1989) also

confirmed that social interdependence is distinguished by a

mental connection linking group members. Group mem-

bers who express strong affiliation with their coworkers are

more likely to interact with and care for one another, which

creates a pleasant group atmosphere (Kidwell et al. 1997),

and also enforces explicit group norms (Bartel & Saavedra

2000). In an investigation of the mechanism of salesperson

group-level work performance, Tsai and Chi (2008) con-

firmed that perceived social interdependence can boost the

shared mood of group members and thus positively influ-

ence group affective tone and work performance. The same

phenomenon occurs for group work related to school

learning. The emergence of perceived social interdepen-

dence lifts the spirits of group members, and thus enhances

group affective tone. This study thus hypothesized the

following:

H2 Perceived social interdependence positively influ-

ences group affective tone.

The Relationship between Group Affective Tone

and Group Learning Performance

Group affective tone represents consistent or homogeneous

group affective reactions (George 1990). The impact of

group affective tone on business group performance has

been widely investigated, and previous studies have con-

firmed that positive group affective tone enhances group

performance (Chen et al. 2005; George 1995), encourages

altruistic behaviors, increases group satisfaction, boosts

work commitment (Mason & Griffin 2003), reduces

employee absence or turnover intention (George 1990;

Mason & Griffin 2003), and alleviates group conflict

(George 1990). Additionally, group affective tone is gen-

erally considered to benefit class learning outcomes. Bar-

sade (2002) used the example of undergraduate students

performing a managerial decision-making task and found

an association between positive emotional contagion and

increased cooperation, reduced conflict, and perceived

performance improvement. In other words, when the class

learning group has high positive affective tone, group

members are more likely to be motivated to work, obtain

positive work experience, and thus display more coopera-

tive behavior within the group. Grawitch et al. (2003)

further proposed that induced positive moods in temporary

groups were associated with higher creativity ratings on

task performance.

Given the significant influence of group affective tone

on group performance, this study proposed that group

affective tone positively affects the group learning perfor-

mance of students. Group learning performance has been

measured in terms of group productivity and group learn-

ing achievement as both a subjective and objective per-

formance measure. Subjective group productivity can be

measured through group member observations of variables

such as the efficiency, work quality and work excellence of

the group during the learning process (Allen et al. 2004).

Meanwhile, higher learning achievement represents a large

improvement in test scores post instruction (Lu et al. 2003).

Since this study was intended to explore group learning

performance in hospitality and tourism management cour-

ses, group learning achievement is measured using final

group grades. Therefore, this study hypothesized the

following:

H3-1 Group affective tone positively influences group

productivity.

H3-2 Group affective tone positively influences group

final grades.

Students’ Group Learning Performance

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The Relationship between Perceived Social Loafing

and Group Learning Performance

Social loafing occurs when group members consider that

their personal efforts are not recognized or their work role

is marginal (Dick et al. 2009). This psychological situation

decreases group member work motivation, and eventually

negatively impacts group performance (Rutte 2003; West

et al. 2004) and reduces productivity (Karau & Williams

1993). George (1992) indicated that social loafing is fre-

quent in low productivity groups, and this phenomenon has

been found to negatively influence group performance

(Ferrari & Psychyl 2012). Additionally, social loafing can

cause the ‘‘sucker effect,’’ whereby group members tend to

be less engaged at work when they perceive partners to be

getting a free ride from their efforts, and finally they all

become inattentive to their work (Dick et al. 2009).

Prior research observed that in the event of social

loafing, collaborative work is less effective than individual

work (Mefoh & Nwanosike 2012). In this situation, group

members tend to have lower expectations of the rewards

their goal-directed behavior will receive, and the group

thus ultimately fails to achieve its expected goals. Like-

wise, in class group learning, when social loafing is per-

ceived to occur in the group, members are likely to be less

engaged in their coursework thus reducing their collabo-

rative efforts to achieve expected goals. This phenomenon

then negatively affects group productivity, including

leading to poor efficiency, innovation, and quality of work,

and also negatively influences final group grades. Conse-

quently, this study proposed:

H4-1 Perceived social loafing negatively influences group

productivity.

H4-2 Perceived social loafing negatively influences group

final grades.

The Relationship between Social Interdependence

and Group Learning Performance

Numerous studies have confirmed that social interdepen-

dence influences group performance. When positive social

interdependence exists, group members are more willing to

promote one another’s goals and thus improving overall

group performance (Chen et al. 2013; Johnson et al. 1998).

Related studies have also highlighted that social interaction

in groups characterizes social interdependence. Experience

in positive social interaction can be crystallized into

explicit group norms, thus encouraging member identifi-

cation with and commitment to the group (Bartel & Sa-

avedra 2000). Briefly, positive social interdependence is a

prerequisite to the achievement of group goals (King &

Ganotice 2013; Tarricone & Luca 2002). Likewise,

perceived social interdependence in class can improve

student group learning performance in terms of both group

productivity and final grades. To conclude, this study

hypothesized that:

H5-1 Perceived social interdependence positively influ-

ences group productivity.

H5-2 Perceived social interdependence positively influ-

ences group final grades.

The Mediating Effect of Group Affective Tone

Given the above hypotheses, from H1 to H5, this study

reinforced that social loafing and social interdependence

strongly influence both group affective tone and group

learning performance. From the perspective of Affective

Events Theory (Weiss & Cropanzano 1996), individuals

respond emotionally to environmental events, and may

exhibit affection-driven behavior in response to emotional

stimuli. Therefore, when group members perceive social

loafing to occur in their group, their negative emotional

state reduces the overall work effort (Ferrari & Psychyl

2012). Meanwhile, when group members perceive high

social interdependence, their positive emotional state

enhances work performance (Tarricone & Luca 2002).

Accordingly, group affective tone can mediate the effects

of social loafing and social interdependence on both group

productivity and final grades. This study thus hypothesized

the following:

H6a-1 Perceived social loafing negatively influences

group productivity through group affective tone.

H6a-2 Perceived social loafing negatively influences

group final grades through group affective tone.

H6b-1 Perceived social interdependence positively influ-

ences group productivity through group affective tone.

H6b-2 Perceived social interdependence positively influ-

ences group final grades through group affective tone.

Figure 1 shows the proposed model and the hypotheses

based on the above theoretical foundation of this study.

Method

Data Collection

The study sample comprised college students studying

hospitality and tourism management. Group learning is one

of the most common educational methods used in college

curricula, and students must participate in small group

discussions, support each other and share responsibility for

C.-C. Teng, Y.-P. Luo

123

Page 5: Effects of Perceived Social Loafing, Social Interdependence, and Group Affective Tone on Students’ Group Learning Performance

course performance. Accordingly, the learning groups that

students form for course projects are suitable units of

analysis in this study.

This study used convenience sampling to collect data via

a questionnaire survey distributed to 23 hospitality and

tourism related courses at four universities in Taiwan.

Students were issued a questionnaire dealing with their

group work in compulsory hospitality and tourism related

courses at the end of the semester. Before the survey, the

researchers obtained permission from the relevant lecturers,

and instructed the students on how to complete the ques-

tionnaire. The researchers also ensured that both students

and lecturers understood the role of learning groups in class.

A total of 660 questionnaires were distributed and 634 valid

questionnaires were retained after eliminating incomplete

questionnaires, comprising a total of 153 learning groups.

Regarding the demographic profile of the sample,

females comprised 61.8 % and males 38.2 %. Most

undergraduate students were sophomores (37.9 %) and

freshmen (33.6 %), followed by juniors (17.0 %), and

seniors (11.5 %). Most course learning groups were four-

member (39.2 %) and five-member (27.5 %), with small

numbers of groups that were three-member (19.6 %), six-

member (8.5 %), and two-member (5.2 %).

Measures

This study used four scales adopted from previous studies

for construct measurement. Two professors specialized in

organizational behavior were invited to assess the items of

each measure and provide useful suggestions. The mea-

sures were then modified to better fit the purposes of this

study.

• Perceived social loafing: This study adapted the six-

item Social Loafing Scale used by Liden et al. (2004) to

assess respondent perceptions of whether specific group

members engaged in social loafing. One of the items:

‘‘Spends less time helping other departments or

customers if other group members are present to help’’

was excluded because the current study mainly focused

on class learning groups. Finally, five items were

measured using a five-point Likert-type scale ranging

from ‘‘strongly disagree’’ (= 1) to ‘‘strongly agree’’

(= 5). Example items include: ‘‘Defers responsibilities

he or she should assume to other group members,’’ and

‘‘Puts less effort into work when other group members

are around to do work.’’

• Perceived social interdependence: This study adapted

the six-item Task Interdependence Scale used by

Staples and Webster (2008) to assess respondent

perceptions of social interdependence toward their

class learning group. To better fit the study objectives,

the five items most relevant to the class learning group

represented in the study sample were used. The items

were measured on a five-point Likert-type scale ranging

from ‘‘strongly disagree’’ (= 1) to ‘‘strongly agree’’

(= 5). Example items include: ‘‘To perform well, it is

important for group members to rely on one another,’’

and ‘‘Jobs performed by different group members are

related to one another.’’

• Group affective tone: This study adopted the 10-item

Positive Affect Scale developed by Watson et al. (1988)

to assess respondent mood while participating in group

work during the past 2 weeks. The Positive Affect

Scale, as a subscale of the Positive and Negative Affect

Schedule (PANAS), has been confirmed to have good

reliability and validity, and can provide an independent

measure. The items were measured using a five-point

Likert-type scale ranging from ‘‘very slightly or not at

all’’ (= 1) to ‘‘extremely’’ (= 5). Example items include

descriptors of emotional states, such as: ‘‘enthusiastic,’’

‘‘attentive,’’ ‘‘proud,’’ ‘‘inspired,’’ and ‘‘determined.’’

• Group learning performance: This study differentiated

two dimensions of group learning performance that can

be appraised both subjectively and objectively. The

H3-1

H1

H2

H4-1

H3-2

H4-2

H5-1

H5-2

H6a-1 H6a-2

H6b-1 H6b-2

Group affective tone

Perceived social

loafing

Perceived social

interdependence

Group learning performance

Group final grades

Group productivity

Fig. 1 The proposed model

Students’ Group Learning Performance

123

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subjective performance measure includes the evalua-

tion of group productivity by the group members. This

study adapted the 11-item scale used by Allen et al.

(2004) to measure respondent self-perceptions involved

in group learning performance. However, two items,

including ‘‘adherence to budgets’’ and ‘‘gotten better

and better through their life-cycle’’, were excluded

because the respondents did not have ‘‘budgets’’ and

‘‘life-cycle experience’’ associated with their group

work. Thus, nine items were measured using a five-

point Likert-type scale ranging from ‘‘strongly dis-

agree’’ (= 1) to ‘‘strongly agree’’ (= 5). Example items

include: ‘‘efficiency,’’ ‘‘quality of work,’’ ‘‘quality of

innovations,’’ ‘‘adherence to schedules,’’ and ‘‘work

excellence.’’ On the other hand, the objective perfor-

mance measure includes the final group grade given by

the lecturer to offset the self-assessment bias.

Data Analysis

Since this study conducted analysis at the group level, it is

necessary to justify the aggregated individual data to the

group level. Therefore, rwg was used to assess the within-

group inter-rater agreement (James et al. 1984). When rwg

of a variable exceeds .70, representing within-group

agreement for that variable (George 1990; Klein & Koz-

lowski 2000), the aggregation of individual responses to

the group level is justifiable. In contrast, when rwg of a

variable in a group is less than .70, the group sample must

be excluded from the following analysis. The final results

revealed 123 usable learning groups (rwg ranging from .71

to .99) after eliminating 30 invalid group samples.

This study used structural equation modeling (SEM) to

test whether the proposed hypotheses reflect relationships

observed in empirical data. This study employed confir-

matory factor analysis (CFA) to assess the internal quality

of the measurement model. Additionally, path analysis was

employed to test the structural model and identify casual

relationships between measured variables.

Results

Measurement Model

Table 1 lists the means, standard deviations, and correla-

tions of variables ranging between -.15 and .64 (p \ .01),

and indicates low to medium correlations between vari-

ables. The overall quality of the measurement model was

assessed using CFA to validate the four model constructs.

To determine goodness of fit, Bagozzi and Yi (1988) pro-

posed that the standard factor loading be bounded between

.50 and .95. The acceptable threshold value for composite

reliability is above .70, while that for average variance

extracted (AVE) is above .50 (Anderson & Gerbing 1988).

Furthermore, modification indices (MI) can suggest reme-

dies to discrepancies between the proposed and estimated

models. MI exceeding 3.84 indicated that the model

required modification (Bagozzi & Yi 1988). According to

the analytical results, some fit indices of the measurement

model failed to reach the criteria of model fit, indicating the

hypothesized model needed modification.

After revising the model based on the above criteria, the

CFA results (see Table 2) demonstrated that all factor

loadings exceeded .50 (from .58 to .93) and were statisti-

cally significant (p \ .001). The AVE value for each

construct exceeded .50 (from .62 to .85), indicating good

convergent validity. The composite reliability of the con-

structs (from .91 to .94) also revealed internal consistency

among the items of each construct. Additionally, Table 1

shows that the estimated intercorrelations among all vari-

ables were less than the square roots of the AVE in each

construct. This provides support for discriminant validity

and thus reduces the potential influence of common method

variance (Hair et al. 2006; Podsakoff & Organ 1986).

Hypothesis Testing

This study performed SEM to determine the validity of the

proposed model and test the hypotheses. Because this study

used two measures to evaluate group learning performance,

namely group productivity and group final grades, each of

which (Model 1 and Model 2) was tested separately.

Group Productivity

This study used SEM to test the relationships between

variables in Model 1, using group productivity as the out-

come variable. The results of ML estimation provided

adequate fit to the data (v2 = 169.95; v2/df = 1.16;

RMSEA = .04; GFI = .88; CFI = .99; AGFI = .85)

(Bentler & Bonett 1980). Figure 2 shows the results of

hypothesis testing of Model 1. The results demonstrated

that perceived social loafing significantly affected group

affective tone, with a standardized path coefficient of -.31

(t = -3.17, p \ .01), supporting H1. Perceived social

loafing also significantly affected group productivity, with

a standardized path coefficient of -.19 (t = -2.52,

p \ .5), supporting H4-1. Briefly, perceived social loafing

significantly predicted both group affective tone and group

productivity. Furthermore, the results also demonstrated

that perceived social interdependence significantly influ-

enced group affective tone, with a standardized path

coefficient of .27 (t = 2.88, p \ .01). Social interdepen-

dence was also observed to influence group productivity,

C.-C. Teng, Y.-P. Luo

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with a standardized path coefficient of .16 (t = 2.17,

p \ .05). Consequently, perceived social interdependence

significantly predicted both group affective tone and group

productivity, supporting H2 and H5-1. Finally, group

affective tone was confirmed to significantly influence

group productivity, and had a standardized path coefficient

of .63 (t = 6.25, p \ .001). This indicated that group

affective tone significantly predicted group productivity,

and thus H3-1 was supported.

With regard to the mediating effect of group affective

tone, the direct effect of perceived social loafing on group

productivity (-.19) was smaller than its indirect effect

(-.20), suggesting group affective tone fully mediates the

relationship between social loafing and group productivity.

Additionally, this study conducted the Sobel test to

examine the effect size of mediation. Preacher and Leo-

nardelli (2010) claimed that the mediation effect is sig-

nificant when Z value exceeds 1.96. Since the Z value of

the effect of group affective tone was 2.83, this result

supported H6a-1. Furthermore, the direct effect of perceived

social interdependence on group productivity (.16) was

smaller than the indirect effect (.17), which revealed that

group affective tone also fully mediates the relationship

between social interdependence and group productivity.

The Sobel test further showed that the Z value was 2.61,

indicating this finding supported H6b-1.

Table 1 Correlations, means, and SD of variables

Means SD 1 2 3 4

1. Perceived social loafing 3.00 .79 .88

2. Perceived social interdependence 3.77 .64 -.15 .92

3. Group affective tone 3.02 .72 -.21* .32** .74

4. Group productivity 3.48 .60 -.33** .40** .64** .79

Note: The square roots of AVE for discriminant validity are bolded along the diagonal

* p \ .05; ** p \ .01

Table 2 CFA results

Constructs and items Standardized

factor loadings

t-Value Composite

reliability

AVE

Perceived social loafing (PSL) .91 .77

PSL 1: Defers responsibilities he or she should assume to other group members .84 –

PSL 2: Puts forth less effort on the job when other group members are around

to do the work

.86 11.82***

PSL 3: Does not do his or her share of the work .92 12.55***

Perceived social interdependence (PSI) .94 .85

PSI 2: For the group to perform well, members must communicate well .93 –

PSI 3: To achieve high performance, it is important to rely on each other .91 16.78***

PSI 4: Jobs performed by different group members are related to one another .92 17.49***

Group affective tone (GAT) .89 .55

GAT 1: Interested .73 –

GAT 2: Excited .82 8.84***

GAT 3: Strong .58 6.05***

GAT 4: Enthusiastic .83 8.79***

GAT 5: Proud .68 7.15***

GAT 6: Inspired .78 8.27***

GAT 8: Determined .76 7.94***

Group productivity (GP) .91 .62

GP 1: Efficiency .84 –

GP 2: Quality of work .84 11.21***

GP 3: Quality of innovations .78 9.97***

GP 4: Adherence to schedules .74 9.33***

GP 5: Work excellence .82 10.79***

GP 8: …met or exceeded your expectations in general .67 8.15***

Students’ Group Learning Performance

123

Page 8: Effects of Perceived Social Loafing, Social Interdependence, and Group Affective Tone on Students’ Group Learning Performance

Group Final Grades

When group final grades were the outcome variable, the

results of ML estimation of the proposed model demon-

strated adequate fit to the data (v2 = 87.22; v2/df = 1.20;

RMSEA = .04; GFI = .91; CFI = .99; AGFI = .87).

Figure 3 shows the results of hypothesis testing of Model

2, which indicated that perceived social loafing signifi-

cantly affected group affective tone, with standardized path

coefficient of -.31 (t = -3.17, p \ .01), supporting H1.

Moreover, social loafing significantly influenced group

final grades, with a standardized path coefficient of -.31

(t = -3.90, p \ .001). H4-2 thus was supported, indicating

social loafing significantly predicted group final grades.

Additionally, social interdependence was confirmed to

significantly influence group affective tone, with a stan-

dardized path coefficient of .27 (t = 2.88, p \ .01). The

same pattern holds for the effect of social interdependence

on group final grades, with a standardized path coefficient

of .59 (t = 7.68, p \ .001). These results revealed that

social interdependence significantly predicted group

affective tone and final grades, and thus H2 and H5-2 were

supported. However, the analytical results showed that

group affective tone did not significantly influence group

final grade, with a standardized path coefficient of .00

(t = .01, p [ .05). This demonstrated that group affective

tone did not predict group final grades, and thus H3-2 was

not supported. Accordingly, group affective tone is not a

significant mediator in Model 2, indicating that neither

H6a-2 nor H6b-2 was supported.

Discussion

The empirical results of this study support most of the

study hypotheses. First, perceived social loafing has been

identified negatively affecting group affective tone and

group learning performance. This finding is consistent with

previous studies (Felps et al. 2006; Karau & Williams

1993; Mefoh & Nwanosike 2012; Rutte 2003; West et al.

2004), indicating that social loafing drives group members

to develop contagious negative emotions, that can even-

tually cause poor group work outcomes. Second, this study

demonstrates that social interdependence positively influ-

ences group affective tone and group learning performance,

which reflects the findings of previous research on insur-

ance sales teams (Tsai & Chi 2008), suggesting a need to

enhance positive group interdependence that can drive

positive affective tone within the group to increase group

performance. The study findings also support related work

(Chen et al. 2013; King & Ganotice 2013; Johnson &

Johnson 1998; Tarricone & Luca 2002), demonstrating

-.31**

.16*.27**

-.19*

.63***

e20

.74

.82

.56

.83

.75

.78

.70

Group affective tone

GAT 2

GAT 3

GAT 1

GAT 4

GAT 5

GAT 8

GAT 6

e7

e13

e12

e11

e8

e9

e10

.92

.87

.84PSL 1

PSL 2

PSL 3

Perceived social

loafing

e3

e2

e1

.93

.91

.93PSI 2

PSI 3

PSI 4

Perceived social

interdependence

e4

e5

e6

e21

.69

.84

.75

.79

.84

.84

Group productivity

GP 3

GP 4

GP 5

GP 2

GP 1

GP 8

e16

e17

e19

e18

e15

e14

Fig. 2 Results of SEM of Model 1

C.-C. Teng, Y.-P. Luo

123

Page 9: Effects of Perceived Social Loafing, Social Interdependence, and Group Affective Tone on Students’ Group Learning Performance

positive group interdependence among group members can

build strong interpersonal bonds that are essential to group

learning effectiveness, such as group productivity and

learning achievement. As Kidwell et al. (1997) indicated,

when group members share mutual reliance and trust, they

can create a strong psychological affiliation with one

another and thus create a pleasant work environment that

improves work performance and organizational citizenship

behavior.

Third, this study examines the way group affective tone

mediates the relationship between social loafing/social

interdependence and group learning performance (i.e.

group productivity and group final grades). The findings

support that group affective tone significantly mediates the

relationship between social loafing/social interdependence

and group productivity. Meanwhile, this mediating effect

indicates that group leaders or instructors can deteriorate/

enhance group productivity by generating negative/positive

group affective tone from member perceived social loafing/

social interdependence. This finding also supports those of

previous studies (Barsade 2002; Dommeyer 2007; Gra-

witch et al. 2003; Njie et al. 2013; Karau & Williams

1993), highlighting the important role of group collective

mood in mediating social loafing/social interdependence

and group learning performance. The research results thus

not only identify critical influences on group learning

performance, but also link group emotional reactions and

productivity in the context of hospitality and tourism

education.

However, group affective tone does not significantly

mediate the relationship between social loafing/social

interdependence and group final grades. One possible

explanation for this finding is that respondents are mainly

concerned with their perceptions of social loafing/social

interdependence in the group, and the strong direct rela-

tionships between social loafing/social interdependence

and group final grades thus decrease the mediating effect of

group affective tone. Moreover, the effect of group affec-

tive tone in response to the emotional state of group

members is likely to be reduced because course instructors

e20

.73

.82

.57

.83

.76

.79

.69

Group affective tone

GAT 2

GAT 3

GAT 1

GAT 4

GAT 5

GAT 8

GAT 6

e7

e13

e12

e11

e8

e9

e10

.91

.87

.84PSL 1

PSL 2

PSL 3

Perceived social

loafing

e3

e2

e1

.92

.91

.93PSI 2

PSI 3

PSI 4

Perceived social

interdependence

e4

e5

e6

e21

Group final grades

-.31**

.59***.27**

-.31***

.00

Fig. 3 Results of SEM of Model 2

Students’ Group Learning Performance

123

Page 10: Effects of Perceived Social Loafing, Social Interdependence, and Group Affective Tone on Students’ Group Learning Performance

independently evaluated group final grades. Finally, the

measurement of group affective tone within the latest 2

weeks may also weaken the effect of group final grades,

which are used to reflect overall learning group perfor-

mance over a semester.

Conclusion

This study investigates the group learning experience of

hospitality and tourism students and increases under-

standing of how social loafing, social interdependence and

group affective tone, and their relationships influence

group learning performance. The study results show that

perceived social loafing/social interdependence negatively/

positively influences group affective tone and group

learning performance. This suggests that educational

practitioners or group leaders should focus on using social

and multi-teaching skills to promote positive social inter-

dependence within a group to help students achieve group

learning effectiveness, including both group productivity

and group final grades. To prevent social loafing, instruc-

tors should adjust final student grades according to their

effort and contribution to the group work by peer assess-

ment or observation. Additionally, group affective tone

significantly mediates the effect of social loafing/social

interdependence on group productivity, but not on group

final grades. The findings suggest that educational practi-

tioners or group leaders should attend to members’ per-

ceptions and affective responses evoked by interpersonal

interactions within the learning group to increase group

productivity. Therefore, creating a friendly, sharing, and

communicating atmosphere in each learning group that

helps fuel group member altruism and trust can enhance a

positive interpersonal interaction which benefits the effi-

ciency and quality of group work.

Limitations and Future Research Suggestions

This study has some limitations that need to be improved in

future research. First, this study used convenience sampling

and targeted hospitality and tourism undergraduate students

at four universities in Taiwan, resulting in a small sampling

frame. Future investigations could enlarge the sampling

frame to include different countries and thus engage in a

cross-cultural study of group learning effectiveness. Sec-

ond, this study focused on the effect of psychological pro-

cesses on group learning performance. Future studies could

examine the influences of individual differences, personal

characteristics, and combinations of group members on

group learning effectiveness to provide additional under-

standing of group learning antecedents and outcomes.

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