PSYC 3050 CH 2-1

PSYC 3050 CH 2-1 - Week 2 1 Definition of Research Why is...

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Unformatted text preview: Week 2 1 Definition of Research ? Why is empirical research important in the field of industrial-organizational psychology? ◦ Quantitative Research ◦ Qualitative Research 2 3 Hypotheses Predictions confirmed Confidence in theory increased Predictions disconfirmed Theory modified Theory rejected Confidence in theory reduced Identification and description of the problem Developing a method for making systematic observations Conduct Research Integration of research results Application of results to organizational problems 4 Variable Construct Theory ◦ Deductive ◦ Inductive Statistics ◦ Descriptive ◦ Inferential 5 Research attempts to optimize three factors: ◦ Precision ◦ Realism ◦ Generalizability Two main methods ◦ Experimental ◦ Correlational 6 Study conducted in a contrived environment Benefits: Disadvantages: Example: What are the effects of sleep loss on one’s ability to operate heavy equipment? Control: Realism: Systematically vary independent variable(s) to determine effects on dependent variable(s) Requirements ◦ random assignment of participants to conditions ◦ “all else held constant” rule Can be conducted in a variety of “settings” ◦ lab ◦ field ◦ computer simulations 8 9 Hypothesis : As noise increases, quantity & quality of studying decrease. Dependent variable: Independent variable: 5 10 15 20 25 30 35 No Mild Loud Noise Level # pages read 65 70 75 80 85 90 95 No Mild Loud Noise Level quiz score Self-report to obtain data on attitudes/behaviors conducted by phone, mail, interviews, electronically Benefits: Disadvantages: Example: How satisfied are employees with their jobs? Control: Realism: Observe overt behaviors over time Benefits: Disadvantages: Example: Do smokers take more rest-breaks than non- smokers? Control: Realism: Approximate realistic scenarios in a laboratory setting Benefits: Disadvantages: Example: Can police officers tell the difference between criminal and hostage under stressful conditions?...
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PSYC 3050 CH 2-1 - Week 2 1 Definition of Research Why is...

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