Research in I/O Psychology (Chapter 1 & Chapter 6)
September 19 2013
Week 2 – Research in I/O Psychology
Why should I care about research?
– if you carry out research in a scientific way, you have a high possibility that you're going to
get an accurate picture of reality
– common sense is often wrong.
– Example: taking a multiple choice test. Being unsure about changing an answer, common
sense says don't change it.. but you would have a higher chance of getting it right if you
How do I know what to research?
– Hypotheses (based on ideas)
– Theories (to explain hypotheses/findings)
– independent variable that is manipulated, and dependant variable that is not manipulated.
– Subjects are randomly assigned to conditions
– independent variable is not manipulated OR
– subjects are not randomly assigned to conditions
– archival research
identify the Independent and Dependent variables:
i) Independent variable: training or no training
Dependent variable: customer complaints
ii) Independent variable: night or day shift
Dependent variable: # of errors
iii) Independent variable: paid on commission or hourly Dependent variable: productivity and satisfaction
– might not be practical, easy, or ethical to manipulate variables
– ex. manipulating unemployment would be unethical
– don't determine cause-effect relationships wit