PSYCH 3100 Study Guide - Midterm Guide: Learned Helplessness, Null Hypothesis, Partial Correlation
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What does it mean to say that correlation (or co-variation) is a necessary but insufficient condition for causality: you must see a correlation present if causality is there. Why are scientists reluctant to use the word prove : you would have to test every other competing hypothesis to use the word prove. Some of the competing hypotheses can not be tested because of limitations of time and space. Is hrt protective against chd: hrt actually increases chd, women undertaking hrt had higher ses and better diets and workout routines. There is a significant positive correlation between the two variables. There is a significant correlation between the two variables. **this is all you can say for phi** It is one in which the first variable causes the second variable which in turn causes the first variable. What is a bivariate correlation: correlation between two variables.
