PSY 313 Lecture Notes - Dependent And Independent Variables
Document Summary
Anything that makes you say hmm, maybe not . Pop. of real interest vs. pop. available for sampling vs. sample. Want to make conclusions as broad as possible. Must state how that special property affects the results. If you have no reason to suspect it does, it probably doesn"t matter. Sometimes, study a specific subgroup (people in this room) Reasons results might be more specific than suggested: Temporal (per. s of time or gen. s of ppl) Convergent valid. (2 measures of same construct correlated) Divergent valid. (show lack of corr. btwn measure of interest & measure of diff. construct) There are a lot of them; msot don"t matter. Instrumentation: change in ability to use measurement device.
