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Select Question Review Research Develop Hypothesis Research Design Measurement Data Analyses Communicate Results Ethics Overview of Research Process
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Research Designs Measurement Data Analyses Max Precision Max Context Scaling Reliability & Validity Max Generality Current Focus Qualitative Runkey & McGrath typology
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Particular Behavior SystemsUniversal Behavior Systems Obtrusive Operations Unobtrusive Operations Natural Settings Contrived Settings Field Studies Field Experiments Lab Experiments Maximum Context Maximum Precision Maximum Generality Formal Theory Sample Surveys Setting Independent Behavior not measured Computer Simulations Runkel & McGrath, 1972 Experimental Simulations
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How to do field research?
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What is field research? Examples –Field Studies Cross sectional –Field Experiments E.g., Longitudinal, prog evaluation Similarity and differences from –Other methods of data collection Large-scale (Sample) Surveys –Methods statistical analyses Correlational
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Particular Behavior SystemsUniversal Behavior Systems Obtrusive Operations Unobtrusive Operations Natural Settings Contrived Settings Field Studies Field Experiments Lab Experiments Maximum Context Maximum Precision Maximum Generality Formal Theory Sample Surveys Setting Independent Behavior not measured Computer Simulations Runkel & McGrath, 1972 Experimental Simulations
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Why do field research?: General reasons Describe PhenomenaHow satisfied are the employees Establish standardsHow satisfied are our employees compared to another organization Establish value added by a program The effect of the new benefits program on employee satisfaction Make decisionsShould we continue with the new benefits program Validate/test intuitions Everyone else is using the new benefits program, is it any good? Identify source of problem & potential solutions Why are our employees dissatisfied? How to increase their satisfaction? Describe Predict Explain
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Type of organizational change & development E.g., self & peer evaluation of oral presentation (Radhakrishnan & Yang, 2006) Two-way (symbolic) communication channel between employees & organization via content and conduct –e.g., UT Employee Survey Cox, T. Jr (2001). Creating the Multicultural Organization: A Strategy for Capturing the Power of Diversity San Francisco, CA: Jossey Bass Why do field research? Organization-specific reasons
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After deciding why you are doing field research, decide how you will collect data Types of Data Collection Methods –Numerical vs. Non-numerical –Oral/Written vs. Observational –Behavioral vs. non-behavioral Each of the above types of data can be collected via all or some of the following –Questionnaires/Surveys –Observation (Archival) –Interviews
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Methods of data collection Bias in any one method is overcome if you use multiple methods –Cf choosing research designs Some methods are better suited for measuring certain kinds of concepts –E.g., willingness & ability should determine use of self report Stereotype research Amount of resources used by method –Researchers resources –Participants’ resources
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Time & resources restrict you to certain methods of data collection Questionnaires E.g., Field study, cross-sectional data Archival data E.g., Field studies, Sample (large scale) Surveys –If using, justify measures w/logic & research e.g., ESL indicators Qualitative (non-numerical) data will take too long for collection & analyses
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Instructor-Generated Example of a Questionnaire Hypothesis based on Rode et al., 2005, AOMLE –Additional control variable Renner, M. & Mackin R. (2000). A life stress instrument for classroom use in M. Ware & D. Johnson (Eds.) M. Handbook of demosntrations and activities in the teaching of psychology: Vol 1 Lawrence Erlbaum: Marwah, NJ.
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Before designing your questionnaire identify Research hypothesis Predictor, criterion & explanatory variables Pre-existing measures of predictor & criterion variable –Bonus if you have measure of explanatory variable
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Why identify pre-existing measures for your questionnaire? Examples of pre-existing measures –Found in books on Reserve at CIRHR library –Psycinfo database: Search: Measures OR Questionnaires AND your topic keyword Why use pre-existing measures –Improves statistical reliability of your study –Improves validity of your study Disadvantages of pre-existing measures –E.g., UT study
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How pre-existing measures improve validity Validity –Content based on definition of concept –Content can be based on qualitative data generated by potential participants E.g., critical incidents for ethnic harassment (EH) measure (Schneider, Hitlan, & Radhakrishnan 2000) but see Swim et al EH measure –Not all constructs need participant-generated data e.g., answers to an exam
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How pre-existing measures improve reliability Reliability –If measure is tested on samples similar to your sample, then you can be confident in the measure Schneider et al., 2000 –Can reasonably expect hypothesis to be supported if concepts are reliably measured
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Pre-existing measures used in the instructor’s example Satisfaction measures –cited in Rode et al., 2005 Performance Measure –Cited in Rode et al, 2005 Control Variables –Citizenship replaced by primary language question which is more appropriate –Not feasible to collect IQ measure in context –Stress measure Described in Renner & Mackin, 2000 Instructor slightly modified stem based on previous research (Schneider et al., 2000)
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After deciding on measures, structure questionnaire 1.Content of Study information Sheet & Consent form –See methodology assignment guidelines 2.Logic of ordering 3.Assess criterion variable first in cross-sectional study 4.Attractiveness via Visual Layout –Headings, Font size, White Space
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More issues to consider when structuring questionnaire 5.Number of control variables & length of survey –Shortening pre-existing measures is tempting but might damage reliability and validity. 6.Assessing sensitive variables –E.g., Class demonstration survey; UT survey 7.Ease of data analyses –Numbering sections & items –Number of Open-ended questions
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Issues the Instructor faced when designing the examplar questionnaire Sensitive Variables –Dropping additional demographic variable due to sample size What if the hypothesis is not supported –Restricted range on the GPA variable –Arguments to use stress as a control variable vs. an antecedent
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While or After designing questionnaire develop sampling plan Sampling plan depends whether you want maximum precision, maximum context or maximum generality –E.g., maximum generality then need random, large, representative sample
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Particular Behavior SystemsUniversal Behavior Systems Obtrusive Operations Unobtrusive Operations Natural Settings Contrived Settings Field Studies Field Experiments Lab Experiments Maximum Context Maximum Precision Maximum Generality Formal Theory Sample Surveys Setting Independent Behavior not measured Computer Simulations Runkel & McGrath, 1972 Experimental Simulations
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Some terms in the area of sampling Population: –Group you are interested in obtaining data from and studying. Sample: –Representative number of respondents from the population that you sample. Actual sample: –The actual number of participants from your sample that complete and return your survey
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Types of Sampling You Can Hope vs. Actually do
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Every person in the population has exactly the same probability of being included in the sample to avoid bias. Sample is representative of the larger population. Representativeness can be checked by comparing the characteristics of a sample to those of the population –e.g., gender, age, tenure Random Sampling
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One Possible Modification of Random Sampling Stratification sampling: –Population divided into groups called strata. –Random selection from within groups. –Ensures representation on some critical factor in the sample (e.g., gender, job category).
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A Second Possible Modification of Random Sampling Cluster sampling: –Participants chosen as members of a group rather than as individuals. –Randomly select work teams, organizations, factories, plans, facilities, etc.
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Convenience Sampling (AKA what you will end up doing for this course) Selection of participants based on easy availability or accessibility. Snowball or chain sampling – people who know people.
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How to get a good sample size Provide incentives before or after. Indicate support from stakeholders. Convincing reason to complete it. Promise of feedback. Reminders. Personalize correspondence. Return envelope with postage / web- survey
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What you learned today Is your study a field study (or field expt) or a sample survey? Will you administer the questionnaire yourself or collect archival data? For both data collection methods you need to use data collected with, or collect data with pre-existing valid & reliable measures –How to find reliable & valid measures –Why use them
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How to design a good questionnaire What sampling plan you can hope to use –How to get a large enough sample with the sampling plan you will use What you learned today
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