The Following Statement About the Sample Correlation Coefficient Is True ${ r} ^ { 2 } _{ X Y }$

question 15

Multiple Choice

The following statement about the sample correlation coefficient is true.

• A)-1 ? r_X,Y ? 1.
• B) \({ r} ^ { 2 } _{ X Y }\) \(\stackrel { p } { \rightarrow }\) corr(X_i, Y_i).
• C)| r_X,Y | < 1.
• D)r_X,Y = \(\frac { S _ { x y } ^ { 2 } } { S _ { x } ^ { 2 } S _ { y } ^ { 2 } }\)

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Definitions:

Procedural Knowledge

Knowledge of how to perform tasks or activities, often demonstrated through actions rather than conscious awareness.

Environmental Contingences

This term refers to the idea that the environment can shape behavior by presenting or withholding reinforcements or punishments.

Me Self

A concept in psychology referring to the objective aspect of oneself that is observed and known by others, forming part of an individual's self-concept.

Epistemological Self

Knowledge of one’s own personality traits, experiences, and other attributes; also called the me, as opposed to the I or ontological self.