Suppose That a Sample of N = 12 Pairs of X

question 17

Essay

Suppose that a sample of n = 12 pairs of X and Y scores has SS_Y = 90 and a Pearson correlation of r = +0.40.
a. What proportion of the variance for the Y scores is predicted by the regression equation?
b. Does the regression equation predict a significant portion of the variance? Test with α = .05.

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Definitions:

Antipsychotic Drugs

Medications used to treat symptoms of psychotic disorders, such as schizophrenia or bipolar disorder, by altering brain chemistry.

Free Association

A psychoanalytic technique in which a patient says whatever comes to mind without censorship or restraint, used to explore unconscious thoughts and feelings.

Psychoanalytic Methods

Techniques developed by Sigmund Freud and his followers to explore the unconscious mind's structure and its influence on human behavior.

Cognitive Therapists

Professionals who treat psychological issues by changing dysfunctional thought patterns, attitudes, and beliefs.