Practice Quiz

EPPP Psychology

Category - Research Methods and Statistics

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Tests of relationship and predication are divided into bivariate and multivariate tests. Bivariate correlations look at the relationship of two variables-one is a predictor and the other is the criterion. What does the correlation coefficient describe?
  1. The effect of the predictor variable on the criterion variable
  2. The effect of the predictor variable on the criterion variable in terms of strength and direction
  3. The relationship between the predictor variable and the criterion variable in terms of strength and direction
  4. The relationship between the predictor variable and the criterion variable in terms of absolute value
Explanation
Answer: C - The correlation coefficient describes the relationship between the predictor variable and the criterion variable in terms of both strength and direction. Correlation cannot be used to determine causal relationships; it is used to determine relationships between variables when there is no other obvious explanation.
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