The research process Psych 231: Research Methods in Psychology.
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The research process Psych 231: Research Methods in Psychology
Labs this week Review session Monday Dec 8, 6:00-7:00 DeGarmo 206 Labs this week Poster presentations Turn in group ratings sheets Turn in results and reference section for group project
Course Review: The Research Process Get an idea Presenting your work A set of skills leading to knowledge A way of thinking A way of life?
The Research Process Get an idea – Often the hardest part – No firm rules for how to do this – Observations – Past research – Review the literature
The Research Process Review the literature What has already been done? What variables have people looked at What hasn’t been looked at How are other experiments in the area done? What methods are used To measure the dependent variable To manipulate the independent variable To control extraneous variables
Formulate a testable hypothesis – What’s a hypothesis? – A predicted relationship between variables – What does it mean to be testable? – Must be falsifiable – Must be able to measure (and manipulate for experiments) the variables – Directly – Indirectly – Operational definitions The Research Process
Design the research – What method – Experiment – Survey – Small N designs – Developmental designs – What kind of comparisons are used –Control groups –Baseline conditions – How many levels of your Independent variable(s) The Research Process
Collect Data May include pilot research Who do you test? What’s your population Your sample Your sampling method The Research Process
Analyze the data Variables and variability Descriptive statistics (summarizing) Means, standard deviations Graphs, tables Inferential statistics (drawing conclusions) What kind of analysis is appropriate for your design T-tests ANOVA Between or within versions The Research Process
Interpret the results Reject or fail to reject null hypotheses Statistical vs. theoretical significance Support or refute the theory (or revise) Generalizability of the results The Research Process
Present the results Getting the research “out there” Conference presentations Posters Talks Written reports APA style Supports clarity The Research Process
Repeat Each set of results leads to more research questions Refine the theory Test a refined theory Test alternative explanations The Research Process
Labs this week Poster presentations Turn in group ratings sheets Turn in results and reference section for group project