PSYCH 1X03 Study Guide - Final Guide: List Of Fables Characters, Histogram, Ice Cream
10 Sep 2016
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Theory: not specific (ex: energy drinks improve memory) Hypothesis: specific what your trying to find out (students who take energy drinks should show improved test performances) Revise theories: include new info into understanding apply to world. Reliability: same output with same input (step on scale many times in a day input = produces. Construct validity: ability to test something it"s suppose to test (not if: step on scale to measure. Provides initial facts, doesn"t manipulate (take results given to us) Problems: not able to compare to others (or general population), subjective (looking for certain support). Look @ existing relationships btw pairs of variables (ex: diet and life expectancy) Positive, negative, zero correlations measures one variable to predict another. Problems: cant tell cause & effect, third party variables, difficult to explain rational of observed behaviors, subjective interpretation. Compound variables: variables not measured yet still could have an effect (gender, time of day).
