What Does R² Measure

question 21

Multiple Choice

What does r² measure

• A) The proportion of variation in one variable that is explained by the other
• B) The proportion of error variation
• C) The proportion of variation in Y related to the variation of the categories of X
• D) The proportion of variation in Y due to the variation within each of the categories of X
• E) The significance of the relationship between X and Y

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Definitions:

Behavioral Perspective

An approach in psychology focusing on observable behaviors, emphasizing the learned or conditioned nature of behavior.

Anxiety

A mental health condition characterized by feelings of worry, nervousness, or fear that are strong enough to interfere with one's daily activities.

Acute Stress Disorder

A mental health condition characterized by the development of severe anxiety, dissociation, and other symptoms occurring within one month after exposure to a traumatic event.

Hurricane

A hurricane is a powerful tropical cyclone with sustained winds of at least 74 miles per hour, known for causing significant weather-related disasters.