lecture 5 methodologies part 1
TRANSCRIPT
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Lecture 5: Methodologies (Part 1)
Professor Mark Palmer
Queens Management School
Queens University Belfast
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Lecture aimto provide students with an outline of the processof data gathering from the preparation andorganization stage to the actual carrying out ofthe research fieldwork.
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Lecture Outcomes
To outline the importance of the methodological
choice for the research topic To identify and explain the various suitable for
research topics
To outline the merits and demerits of various
methodologies
To gain an appreciate of how to execute various
research methods
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Learning outcomes (Continued)
To facilitate understanding in the different aspects and stages in the
process of data collection.
Preparing for the physical and mental tasks involved in preparing for
and actually gathering the data
To provide an opportunity for consideration of these issues in the
context of chosen research requirements
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Priming Exercise
Jot down how you might research your
objectives.
Do they involve primary data collection?
How might you research the objectives?
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Research Design
Why this research design?
E.g. cohorts is a small numbers phenomenon Respondents (in)appropriate?
Units of analysis?
Operational measurement (confounding?)
Sparse reporting, scale validity
Include design controls (e.g. firm size)
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Recall Lordes (1984) famous line:
The masters tools can never dismantle the
masters house.
What does this mean (and for the selection of a
methodology-in-practice?)
Research design must address the research
problem
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Method is dependent on The Nature ofthe Problem: E.g. Investigating culture
Cultural pluralism
Cultural dominance
Cultural entrenchment
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Nature of the problem: Investigating
marketing impact on financial markets
Share Price
Analyst Notes
(Buy/Sell)Investor Relations
InvestorConferences
Institutionalrelations
Other venture
capitalists
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What is a research design?
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Research Design Strategies
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Access!
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Context and situational versus cross-
sectional
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Adopted from Tashakkori and Teddlie
(1998), Greene et al. (1989), and Howe
and Eisenhart (1990)
Example of a Research Design
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Example of a Research Design
Two Phases (i) Network analysis (i.e. issue crawler) (ii) Rhetorical strategies(IT artefacts and 28 indepth interviews).
In stage one we employed a network sampling method to locate and map
authoritative sites on the World Wide Web, which are involved issue
debates concerning the case company under investigation Tesco.
To do this, we used a software tool called IssueCrawler(http://issuecrawler.net) to identify the authoritative actor network websites
associated with the firms activism on the Web (this methodology has been
used in political science projects, see for example http://www.govcom.org).
Significantly, not only does it seek relevanceas defined by the issue but it also made on the basis of network representation (Rogers, 2002;
Rogers and Marres, 2002; Rogers and Ben-David, 2008).
This sweep resulted in IssueCrawler yielding fifty one websites, using the
prescribed URL. This allowed the researcher to produce an issue network of
sufficient scope and transdiscursivity (Rogers and Marres, 2002).
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Phase 1: Identifying Extra-institutional entrepreneurs
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Phase 1: Extra-institutional entrepreneurs (cont.)
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Phase II findings: Rhetorical Strategies Deployed
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So how does that relate to methodologies?
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Research Designs
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Quantitative Methods
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Quantitative Methods
A precise level of measurement
The greater the range of analytical techniques
Impact of data coding on subsequent analyses
Existing measurement scales pretested items
in for example the Handbook of MarketingScales.
Testing of hypotheses or predictions
Relationships between variables Exogenous dynamics
Endogenous dynamics
Easy with analysis software to generate
statistics from your data
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Typical Quantitative Research
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Quantitative Analysis Data Analysis andInterpretation Module (Dr Puthusserry)
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Software tools to assist
SPSS
Stata
R
Listeral
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1) Experiments
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Experimental
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Limitations
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2) Survey
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Planning a survey (Gill and Johnson)
Planning a Survey (Gill and Johnson)
Conceptualise and Structure the Research Problem
a) consider the aims of researchb) review the current literaturec) assess the various resources known
Analytic Survey? Descriptive Survey?
Identify the independent, dependent and other Identify the phenomena that you wishvariables to describeEg relationship between accounting controls and eg what motivates employees in a
business strategy particular context?
Determine the sampling strategy by defining the research problemAnd designing a means of accessing a (representative) sample.
Is the data to be collected through one approach to respondents?
Interviewer administered Respondent completed/Questionnaire/ Schedule e-mail/postal questionnaire
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..continued:
Alternatively the use of surveys to explore asubstantive area, or
Descriptive surveys
Inductive approach
Use of open-ended questions Merges the survey approach with styles ofresearch which are more ethnographic
Much survey design may begin with an unstructuredinvestigation using overtly ethnographic methods
Theory developed inductively to be tested laterusing a more structured questionnaire as a part ofthe main study
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Consideration must be given to examiningrelationships between and among data: Types of variable :
nominal or categorical,
ordinal interval/ratio
dichotomous
Independent (X) and dependent (Y) variables
Causality
Mediation Moderation
Univariate, bivariate or multi-variate analysis
Trends
correlation
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Selecting the most appropriatesampling technique
If the population is small, there is norequirement to sample
Probability or representative sampling: mostlyused in survey based strategies when trying toestimate the characteristics of the population
Non-probability or judgemental sampling:impossible to make statistical inferences about thepopulation, but can often generalise. Mostly usedwhen adopting a case study strategy eg
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Approach to sampling
For a positivistic study, sampling is afundamental element
For a social contructionist study, sampling is
less important. You may well only gather datafrom one person, such as the chairman of the
company
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Overview of sampling techniques
sampling
probability non-probability
Simple random
systematic
Stratified random
cluster
Multi-
stage
quota snowball Conven-ience
purposiveSelf-
selection
Extreme to typical case
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Probability sampling
Seeking a REPRESENTATIVE sample
Select the sampling frame
Decide on a suitable sample size Statistical inference and margin of error Main techniques:
Simple random
Systematic
Stratified random
Cluster
Multi-stage
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Non-probability sampling (or non-randomsampling)
Quota sampling- seeks to represent the population as awhole and sample size reflects probability sampling.
Purposive sampling -where you use your judgement
Snowball sampling-technique used when it is difficult to gainaccess to individuals
Convenience and Self- selection samplingtechniques- where sample size is ambiguous as there are no rules
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Main decisions when using questionnaires
Sample size
Type of quest ions Wording o f intel l ig ib le and unamb iguous
quest ions
Impo rtance of pi lot test ing
Instru ct ions and design o f quest ionnaire
Any accom panying letter
Method of distr ibut ion and return
Tests fo r rel iabi l i ty and val idi ty
Collat ion and analysis o f data
Any act ion for non-response
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Importance of pilot testing
To avert problems in respondents answering thequestions and to ensure there will be no problems inrecording the data.
To assess the validity of the questions asked
And the likely reliability of the data
To check that the coding system works
Reassurance on the content validity. Ie the data answers
the research questions/objective The pilot should involve a subset of the sample to be
included. Minimum number 10 respondents
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Methods of Distribution Self-administered
Internet-mediated (Surveymonkey) etc
Postal Delivery and collection
Interviewer-administered Telephone
Structured interview
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Advantages DisadvantagesOn-line questionnaire Large geog area
Easy to administer
Can use internet tools
Only include IT literate
respondentsAvoid complex
questions
Low/moderate
response rate
Delivery and collection Similar advantages topostal
Collection increases
response rate
Time consumingExpensive
Postal Wide geog area
Sample selection easyRespondents have own
time
Anonymity preserved
Token incentives
increase responses
Low response rates
Self selection can leadto bias
Clarification of
questions not provided
Non-respondents need
chasing
Expensive
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Deciding what data needs to be collected
Questionnaire demands a precise request for data, and only one
chance to receive the correct information For descriptive research, essential to understand theorganisations, countries and cultures in which the research isbeing undertaken
For explanatory research to test a theory or theories, must beclear about the relationships
Variable can be dependent
or independent
Or extraneous- ie it might also cause changes in dependentvariables
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Eg Research question= To establish existing employees
attitudes towards the introduction of a no-smoking
policy in the workplace.
Investigative questions Variables required Detail in which data
measured
How do employees feel about
the introduction. (attitude)
Attitude of employee as to their
rights
Feel.. No strong views to very
strong views against
Do employees wish to see a
smoking room set aside for
smokers?
Attitude of employee to such a
provision
Feel.. From to very strongly
that it should be provided to
very strongly that it should not
Do employeesviews differaccording to Age?
Whether a smoker?
Age of employee
Smoker
To nearest 5years 18-70
Non-Smoker, smokes little,
smokes lot>20 perday
How representative are the
responses?
Age of employee
Gender
Job/Role
(included above)
Male/ Female
Senior
management,supervisory,other
E l f di S d t l (2009) A t t
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Example of coding: Saunders et al (2009) Accountants
as sources of business advice for small firms:
questionnaire administered by telephone from research byGooderham in Norway
Variable Codes
Degree to which a small firm uses its
authorised accountant as business advisor
Scale from 1 to 6
1=not at all, 6=to a very large degree
Long-term relationship with accountant 1=changed accountant within last 5 years
2=have not changed accountant within last 5 years
Perceived competence of accountant in
statutory accounting services
Scale from 1 to 6
1=very limited competence 6=very high
competence
Firm size (No. of employees) 1=1employee,3=2-4 employees, 7=5-9
employees, 15=10-20 employees
Degree of interest in authorised accountants
attempts to sell them advisory services
Scale from 1 to 6
1=very little interest 6=very large interest
Upper hourly billing rate the firm is willing to
pay for business advisory services
1=do not know or under NKr 300,
2= NKr300-450,3=NKr451-650,4=NKr651ormore
Degree of competition Scale from 1 to 6
1=negligible,6=very tough
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Steps in the logic of the deductive method
1/ Deducing a hypothesis ( a testable proposition
between two or more events or concepts) from the
theory. (H1,..H2)
2/ Expressing the hypothesis in operational terms
(indicate exactly how the variables are to be measured)
Show how the variables relate.
3/ Test the operational hypothesis (e.g. experiment)
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Steps in the logic of the deductive method
4/ Examine the specific outcome of the inquiry.
a / Predicted outcome (from hypothesis)
supports the theory
b / Contrary outcome (to hypothesis)
contradicts the theory,
or fails to support the theory,
or
may be explained by poor research design.
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5/ If necessary, modifying the theory
in the light of its findings.Verify the revised theory by going
back to stage 1/ and repeat the cycle.
Steps in the logic of the deductive method
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Deduction: testing theory
If theory is true X will occur
X does occur -
theory supported
X does not occur -theory challenged
Test X
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A hypo thesis s tates that there is a relat ionsh ip
between two concepts and speci f ies the
direct ion o f that relat ionsh ip.
Age Gross annual
income
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Key terms explained
The elements in the boxes are called concepts.
The lines between the boxes are called relationships.
Theories are composed of concepts linked by
relationships.
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Variables
A positive sign shows a positive relationship, e.g.
(hours o f stud y rises, exam grades rise)
A negative sign shows a negative relationship, e.g.(Pr ice of houses rises, demand fal ls)
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Variables
A variable is a characteristic which has more than one
category or value. e.g. Age
The effect is called a dependent variable (Y);The assumed cause is called an independent
variable (X)
An intervening variable (Z) is the means by whichX affects Y..
D d ti t ti thResearch approaches
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Deduction: testing theory
You needto be able to operationalise variables
i.e. to make them measurable and quantifiable.
e.g Professionalism product quality or Job satisfaction
cannot be measured directly.
Research approaches
D d ti t ti th
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Deduction: testing theory
There can be more than one indicator or variable or value:
CONCEPTS: Poverty
INDICATORS: poor living conditions
VARIABLES: provision of sanitary facilitiesVALUES: Numbers of people per bathroom, WC
.
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Example 1
E l 2
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Example 2
Q tit ti D i
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Quantitative Design
Hypothesis Exogenous variable Endogenous variable
H1a Productive tension Functional conflict
H1b Productive tension Dysfunctional conflict
H2a Unproductive Tension Functional conflict
H2b Unproductive Tension Dysfunctional conflict
H3 Productive tension Interorganizational
performanceH4 Unproductive Tension Interorganizational
performance
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Testable ModelHypotheses
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Standard quantitative procedures
Before analysing the data, cleaning the data
(e.g. outliers, missing data) Descriptive statistics (e.g. mean, distribution,
standard deviation)
T-Tests, correlation, regressions, strength of
associations (R2)
O i f i iti l l i
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Overview of initial analysis
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E l f t t
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Example of outputs
E l f t t
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Example of outputs
Example of Listeral- Quantitative Data Analysis
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Example of Listeral Quantitative Data Analysis
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The standardized direct relations between PT, UT and FC, DC, PER
Examples of Quantitative Fit Statistics
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Examples of Quantitative Fit Statistics
Model Goodness of Fit Results
The X2 p value is significant with X2 = 316.122 and df
= 113. However, the X2/df ratio is 2.798, which is
below 3:1 ration suggested by Carmines and McIver
(1981) and (Schumacker and Lomax, 2004).
Results
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Parameter Estimate Lower Upper P
FC
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Summary of Quantitative Results
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Hypothesis Relationship Result
H1a PT FC Accepted
H1b PT DC Insignificant
H2a UT DC Rejected
H2b UT FC Insignificant
H3 PT PER Rejected
H4 UT PER Accepted
Additional Post hoc Analyses
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Interaction between PT and UT: combined effect oftension types have significant impacts on functionalconflict (FC) (-.188, =.019, significant at p
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Results
Research objectives, theory and findings must
be congruent?
Findings overly descriptive?
Findings overly narrow additional robust tests
for different types of relationships?
Results?
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Results?
Exercise
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Exercise
Sketch out your research design for datacollection.
Are you exploring or examining?
If you are examining, jot down the sources ofyour measures for your research
What are you control measures?
If you are exploring, jot down the boundary
conditions of your research?
Reflection Questions
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Reflection Questions
How will the proposed methodology achieveresearch objectives
What other research methodologies might be
employed?
Why were these methodologies rejected?
How do you go about assembling the data
collected during your fieldwork?
How to recognise any gaps in the datacollection?
What is the overall object when carrying out data
analysis?
Reflection Questions
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Reflection Questions
How do you consider the practical andoperational aspects of gathering data for your
dissertation and prepare an outline.
How can you anticipate and plan for the possiblebarriers to the completion of your fieldwork?
What do you do when co-operation is not
forthcoming from key respondents?
References
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References
Gill, J. and Johnson, P. (2010) Research Methods forManagers, London, Paul Chapman
Collis, J and Hussey, R. (2009) Business Research a
practical guide for undergraduates and postgraduate
students, London, Macmillian Kahn, R. and Cannell, C. (1957) The dynamics of
interviewing, New York, Wiley
Saunders M. et al (2009) Research Methods for
Business Students, Harlow, Prentice Hall Grant, A. M., & Wall, T. D. 2009. The neglected science
and art of quasi-experimentation: Why-to, when-to, and
how-to advice for organizational researchers.
Organizational Research Methods, 12: 653-686.
References
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References
Bell J (1999) Doing your research project (3rdEdn) Buckingham:Oxford UnivPress
Bryman A and Bell E (2003) Business Research Methods New York:OxfordUniv Press
Easterby-Smith M et al(2002) Management Research: An IntroductionLondon:Sage Publications
Robson C.(2002) Real World Research (2nd Edn) Oxford:Blackwell
Saunders M. et al (2009) Research Methods for Business Students, (Edn4) Harlow, Prentice Hall
Sekaran V (2000) Research Methods for Business: A skills buildingapproach (3rd Edn) New York:Wiley
Ticehurst GW and Veal AJ (2000) Business Research methods: amanagerial approach NSW: Pearson Education