Slide 13 of 38
Notes:
Experimental - Most conclusive; Random assignment of subjects; tightly controlled manipulation of variables
Survey - Two types: Attitude surveys (likes and dislikes) Research surveys (to test hypotheses) Valid and reliable questionnaire is essential
Correlation - Attempts to establish relationship between two or more variable. Helps to make intelligent predictions.
Factorial studies - Qualitative; introduce at least two independent variables; watch how the variables interact; needs a large sample
Meta-analysis - Researcher “averages the results of selected studies to get an overall index of outcome or relationship.” (F&W. p. 97)
Causal-comparative-Attempts to determine the cause for or the consequences of differences between groups.
Regression Analysis - Attempts to predict something by knowing other things (insurance is a good example)
Ethnographic study - Research about the whole environment. The researchers is a participant/observer