PSYC 2030 Chapter Notes - Chapter 9: Criterion Validity, Twin Study, Abnormal Psychology
19 Sep 2013
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Pearsons r is calculated for data measuring on __________ - either an interval or a ratio scale. __________is when only a narrow range of scores are used for one or both variables which can decrease the correlation - restricting the range. Making predicitons on the basis of correlational research is referred to as - regression analysis. A _______________provides the best possible way of summarizing the points on the scatterplot - regression line. In the regression equation ______is referred to as the critierion variable and. The ________the correlation the closer the points on the scatterplot will be - higher casual relation that could occur in either direction is known as - directionality problem. ___________investigates correlations between variables at several points in time and increases ones confidence about directionality - cross lagged panel correlation. _______attempts to control for third variables - partial correlation.
