PSY520 Graduate Statistics
Week 3 Discussion
DQ1 Review the video “Linear Correlation” in the Calculations section of the “Statistics Visual Learner” media piece.
It is sometimes said that the higher the correlation between two variables, the more likely the relationship is causal. Do you think this is correct? Discuss.
DQ2 Discuss the strengths and weaknesses of correlational and regression studies; discuss concepts such as positive and negative correlations, correlation coefficients, confounding, and causality.

