The quantitative index of the direction and magnitude of a predictive relationship is called a
A)convergent validity.
B)correlation coefficient.
C)contingency variable.
D)discriminant statistic.

Question

Quizplus · Accepted Answer

A correlation coefficient is a numerical value that measures the direction and strength of the relationship between two variables. Options A, C, and D do not accurately describe this quantitative index. Convergent validity refers to the degree to which a measure assesses the construct it is intended to measure. A contingency variable is a variable that influences the relationship between two other variables, while discriminant statistic refers to a statistical technique used to distinguish between the similarities and differences among variables.

The Quantitative Index of the Direction and Magnitude of a Predictive