MEDIATING EFFECT OF JOB SATISFACTION ON EMPLOYEE
COMMITMENT AND RETENTION IN RESPONSE TO HUMAN
RESOURCE MANAGEMENT PRACTICES IN CALICUT AIRPORT
Dr. M.DHANABHAKYAM1
NISAMUDHEEN.T 2
1 Associate Professor, School of Commerce, Bharathiar University, Coimbatore
2 Senior Research Fellow, School of Commerce, Bharathiar University, Coimbatore.
ABSTRACT
Human Resource Management involves all management decisions and practices that directly
affects or influence the people who works for the organization. HRM practices are investigated from
the perspective of job satisfaction, employee commitment and employee retention. The main objective
of the study is to measure the mediating effect of job satisfaction on employee commitment and
retention in response to HRM practices. The data used in this paper is primary in nature and collected
through personal interviews in the form of questionnaire from a sample of 232 employees in Calicut
Airport. Structural Equation Modeling (SEM) is used for the study as a tool. The study concluded that
the job satisfaction has a strong mediating role between HRM practices and employee commitment
and retention.
Keywords: Employee commitment, Employee retention, Human Resource Management practices and
Job satisfaction
INTRODUCTION
Human resource is the most strategic resource and no other resource can be fully utilized to
generate income and wealth of a nation without the active involvement of this resource. Human
resource accounts for a large part of national output and there is a wide scope for increasing national
wealth through their proper development. It is pertinent to mention that human resources are
responsible for making use of physical resources and for the transformation of traditional economies
into modern and industrial economies. HRM is management function that helps managers to recruit,
select, train and develop members for an organization.
―HRM is concerned with the people dimensions in management. Since every organization is
made up of people, acquiring their services, developing their skills, motivating them to higher levels
of performance and ensuring that they continue to maintain their commitment to the organization are
essential for achieving the organizational objectives. Human Resource Management involves all
management decisions and practices that directly affects or influence the people who works for the
organization. HRM practices are investigated from the perspective of job satisfaction, employee
commitment and employee retention.
Employee commitment is one of the factors of HRM policy that binds an individual to a
course of action that is relevant to a particular target. A number of human resource experts (Babakus
et al., 19961; Guest, 1997
2) focuses on organizational commitment and found three assumptions. First
assumption is that the more committed employees are to the organization, they would be more willing
to work above and beyond contract. Second, these approaches presume that committed employees feel
greater responsibilities, and reduces managers need to monitor and supervise. Third committed
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employees are expected to be less likely to be leaving the organization, resulting in the reduction of
recruitment and selection expenditure.
Air line industry is one of the biggest service organizations with huge manpower which
strictly follows HRM practices to recruit and select the employees. But the same industry faces
ineffective and unfair practices in human resource practices such as selection, training, career
development opportunities, shifting, compensating, rewarding and performance appraisal which
ultimately reduces the level of job satisfaction and employee commitment and that may lead to less
employee retention. Thus the present study focuses on the mediating role of job satisfaction on
employee commitment and retention in response to HRM practices followed in the Airline industry.
REVIEW OF LITERATURE
Human resources are considered as one group of key success factors in organizations
(Dessler, 20103; Barney et al., 2001
4). Lado and Wilson (1994
5) describe human resource practices as
―a set of distinct but interrelated activities, functions, and processes that are directed at attracting,
developing, and maintaining a firm‘s human resources‖. In general terms, HRM comprise practices
and activities of acquiring, retaining, empowering, and motivating employees. In this study, HRM
practices are investigated from the perspective of job satisfaction, employee commitment and
retention. Recruitment and selection enables business firms to acquire the appropriate human
resources in line with its aims and objectives (Dessler, 20106; Huselid ,1995
7). Training programs
help employees to obtain the necessary knowledge, skills, and abilities to work effectively in
sustaining and improving current work activities. Well trained employees, in general, not only require
less supervision (Gutteridge et al.,19938) but also tend to have higher morale and lower levels of
attrition. Training is believed to nullify the influence of factors which cause dissatisfaction of
employees at work (Xiao, 19969). Thus, employees may be provided with extensive training programs
in multiple functions and training on job skills (Ahmad and Schroeder, 200310
). In addition to training,
employees need to be rewarded and provided with appropriate incentives so as to produce the required
levels of performance (Mohinder et al., 201011
; Guest, 199712
; Lee 200013
). Incentives also influence
the level of employee satisfaction (Lawler, 2000)14
. When incentives are used properly, they may
prove to make important contributions to the survival and growth of an organization (Dessler, 2010;
Mowday, 198215
).
Human resource management in an organization is very important. These activities include
recruitment, selection, training, career development, compensation, and performance appraisal. They
are the basic functions of an organization (Tsaur and Lin, 200216
; Reid et al., 200217
). Human resource
management practices are able to provide an organization with a competitive advantage in local,
international, and global environment. They can assist job satisfaction and may increase the
organizational success and lead to employee commitment and retention (Burke, 200318
; Pare et al.,
200119
; Bond, 200420
). If human resource management practices are not effective, efficient, and fair,
an employee will lack commitment and loyalty toward the organization. Lack of trust in business
causes the demoralization of employees (Astrachan et al., 200221
).
A number of human resource management scholars studied the relationship between the job
satisfaction and organizational commitment such as Fiedler (199322
) who proved a strong positive
relationship between employee satisfaction and organizational commitment. LePine et al., (200223
)
and Podsakoff et al. (199624
) in two different Meta analysis studies demonstrated a significant positive
correlation between employee organizational commitment and job satisfaction. Many number of
literature reviews revealed the relationship between job satisfaction and employee retention by the
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effect of employee commitment. Employee retention is considered as one of the important human
resource strategies of the organization. It commences with the recruiting of right people and continues
with practicing programmes to keep them engaged and committed to the organization (Madamba,
199725
). Mattila et al., (200426
) identified the impact of HRM practices on employee retention and
explained the positive relationship between employee commitment and retention from the influence of
HRM practices.
OBJECTIVES OF THE STUDY
To measure the mediating effect of job satisfaction on employee commitment and retention in
response to HRM practices.
CONCEPTUAL MODEL OF THE STUDY
H2
H1 H4
H3
HYPOTHESES OF THE STUDY
H01: HRM practices have no positive effect on job satisfaction.
H02: Job satisfaction has no positive effect on Employee commitment.
H03: Job satisfaction has no positive effect on Employee Retention.
H04: Employee commitment has no positive effect on Employee Retention.
RESEARCH METHODOLOGY
The present study examines the mediating role of job satisfaction on employee commitment
and retention in response to HRM practices among the employees of Calicut Airport. This study is
descriptive and empirical in nature. A well-structured questionnaire consisting of Thirteen items scale
of Human resource management practices index developed by Price & Mueller (198627
), Nine items
scale of job satisfaction developed by Maslach and Jackson (198628
), Eight item scale of employee
commitment developed by Allen & Meyer (199029
) and Five item scale of employee retention
developed by Mobley, et al., (197930
) was adopted to collect the data from the sample respondents.
Total 250 questionnaires were distributed randomly among the employees of Calicut Airport, out of
which 232 questionnaires have been returned completed in all respect and valid for the study yielded a
response rate of 92.8%. Reliability analysis has been applied to measure the reliability of data using
HRM
Practices
Employee
Retention
Employee
Commitment
Job
Satisfaction
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SPSS 20 while factor loading has been tested through Confirmatory Factor Analysis (CFA) using
AMOS 20 and Structural Equation Model (SEM) using AMOS 20 has been applied to test the
hypotheses among the study variables such as HRM practices, job satisfaction, employee commitment
and employee retention.
RESULTS AND DISCUSSION
Confirmatory Factor analysis and Reliability Testing
Figure 1: CFA Measurement Model
Table 1: Results of Goodness of fit test
GFI AGFI NFI CFI RMSEA RMR Chi-Square CMIN/df P
.984 .975 .989 .992 .045 .042 42.598 2.341 .000
CFA model yielded a good model fit of GFI was .984, AGFI = .975, NFI = .989, CFI =
.992, RMSEA = .045, RMR= .042, chi-square = 42.598, CMIN/df = 2.341 and Probability level (p
value) = .000 (Anderson and Gerbing, 198831
; Hair et al., 199532
, Tabachnick and Fidell, 200133
;
Kline, 200534
). Keeping in view the CFA models conducted in the studies of Paré & Tremblay
(200735
) and Nasurdin, Ahmad, & Lin, (200936
), decided that the factor loading of an item statement
must be ≥ .40 to be retained in its respective scale whereas, insignificant and negatively
significant/insignificant statements (< .40) were removed from their respective scale. Thus, it is noted
that all items of HRM practices, Job satisfaction, and employee commitment and retention have been
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retained in the respective scale. All scales used in the study found to be reliable as the internal
consistency of scales was tested using Reliability Analysis which shows the Cronbach‘s alphas of
HRM practices, Job satisfaction, and employee commitment and retention are 0.75, 0.89, 0.71, 0.85
respectively. The research has proved that the value of this alpha is greater than 0.5 and is acceptable
in social sciences (Nunally & Bernstein, 197837
).
Results of Structural Equation Modeling and Hypotheses testing
Figure 2: Structural Equation Model
Table 2: Results of Goodness of Fit for Structural Equation Model
Indices CMIN/df P GFI AGFI NFI TLI CFI RMSEA RMR
Model Value 1.135 .248 .996 .989 .995 .997 .961 .026 .005
Recommended
value <3.0 >0.05 >0.90 >0.90 >0.90 >0.90 >0.95 <0.05 <0.05
SEM model yielded a good fit of CMIN/df are 1.135, P value is 0.248, GFI is 0.996, AGFI is
0.989, NFI is .995, TLI is 0.987, CFI is .961, RMESA is 0.026 and RMR is 0.005 (Anderson and
Gerbing, 198838
; Hair et al., 199539
, Tabachnick and Fidell, 200140
; Kline, 200541
). These values
indicate that the results in respect of validity of the proposed model fall well within the generally
accepted limits. This confirms that the collected data set fits into the proposed structural model. HRM
practices found to have significant positive effects on job satisfaction (ß = .62, p-value <.01). Thus
hypothesis 1 is rejected and revealed that HRM practices have positive effect on job satisfaction that
is when HRM practices in an organization increases; it leads to high job satisfaction among the
employees (Lambert, et al., 201042
; Moliner, et al., 200543
). Job satisfaction found to have significant
positive effects on employee commitment (ß = .21, p-value <.01) and employee retention (ß = .21, p-
value <.01). Thus hypothesis 2 and 3 is rejected and revealed that Job satisfaction has positive effect
on employee commitment and employee retention that is when there is a high job satisfaction among
the employees by the influence of increased HRM practices will lead to high level of employee
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commitment and employee retention (Shamila et al., 201344
; Mohammedbagher Gorji, 201145
).
Employee commitment found to have significant positive effects on employee retention (ß = .72, p-
value <.01). Thus hypothesis 4 is rejected and revealed that the high employee commitment by the
influence of high job satisfaction will lead to high level of employee retention (R. Cropanzano, et al.,
200346
; Singh, et al., 199447
). R2 value 0.62 states that the HRM practices have 62% influence on job
satisfaction. R2 value 0.58 states that the job satisfaction has 58% influence on employee commitment
with the effect of HRM practices and another R2 value 0.39 states that the job satisfaction has 39%
influence on employee retention with the effect of HRM practices. Hence it is identified that the job
satisfaction has a strong mediating role between HRM practices and employee commitment and
retention.
CONCLUSION AND RECOMMENDATIONS
The present study identified the perception of Airline employees towards HRM
practices and its effect on employee commitment and retention through the mediating role of job
satisfaction. The study identifies that HRM practices have positive effect on job satisfaction that is
when HRM practices in an organization increases; it leads to high job satisfaction among the
employees. The study also revealed that Job satisfaction has positive effect on employee commitment
and employee retention that is when there is a high job satisfaction among the employees by the
influence of increased HRM practices will lead to high level of employee commitment and employee
retention. It is to be noted that if human resource management practices are not effective, efficient,
and fair, an employee will lack commitment and loyalty towards the organization. Hence it is
identified that the job satisfaction has a strong mediating role between HRM practices and employee
commitment and retention.
The findings of the study strongly recommend that the Airline industry need to develop and
improve professional, fair and objective human resource management systems and practices. They
have to organize and provide to all employees equal opportunities for career development: educational
and training courses and programs. Promotions opportunities should be distributed fairly and offered
to competent personnel. Compensation packages should be designed and distributed fairly.
Performance appraisal must be implemented fairly and objectively. Thus job satisfaction through fair
HRM Practices is the key factor for organizational success, since higher levels of perceived job
satisfaction lead employees to be more loyal and committed to the organization.
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