Quantitative 0.0 / 5 ? PsychologyVisual SystemUniversityAll boards Created by: bethhonessCreated on: 24-01-17 19:09 What is co-variance the degree to which two variables vary together (in the same or opposite directions) 1 of 8 What is raw covariance Any value, cannot be easily interpreted 2 of 8 What is the range of the correlation coefficient -1 and 1 3 of 8 R = 0 No linear relationship between variables / change in X is not associated with a change in Y 4 of 8 R = 1 Perfect positive correlation / increase in X associated with a linear increase in Y 5 of 8 R = -1 Perfect negative correlation / increase in X associated with linear decrease in Y 6 of 8 What are the 3 standards Cohen introduced? Small: .1-.29 / Medium: .3-.49 / Large .5-1 7 of 8 What is the regression line? A straight line that defines the relationship between x and y 8 of 8
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