EPPP MCQ 3

Question 1

A researcher finds a correlation of r = 0.60 between two variables. What percentage of variance in one variable is explained by the other?

Accepted Answer

36%

Answer

The coefficient of determination (r²) equals 0.60² = 0.36, meaning 36% of the variance is shared between the two variables.

Question 2

A client with major depressive disorder shows no improvement after 8 weeks of first-line antidepressant therapy. According to treatment guidelines, what is the most appropriate next step?

Accepted Answer

Augment with another medication or switch antidepressants

Answer

When a client does not respond adequately to initial antidepressant therapy, standard practice involves augmentation or switching to a different antidepressant.

Question 3

According to Kohlberg's theory of moral development, which stage involves following rules only to avoid punishment?

Accepted Answer

Obedience and punishment orientation

Answer

Obedience and punishment orientation (Stage 1) is characterized by compliance with rules solely to avoid negative consequences.

Question 4

Which type of validity evidence is gathered by examining how well a test correlates with a criterion measured at the same time?

Accepted Answer

Concurrent validity

Answer

Concurrent validity is established by correlating test scores with a criterion measure collected at approximately the same point in time.

Question 5

A psychologist discovers that a colleague is practicing while impaired by alcohol. According to the APA Ethics Code, what is the most appropriate initial action?

Accepted Answer

Address the issue informally with the colleague first, if feasible

Answer

The APA Ethics Code encourages an informal resolution attempt with the colleague first when doing so is feasible and will not compromise client welfare.

EPPP - Examination for Professional Practice in Psychology Practice Test

EPPP - Examination for Professional Practice in Psychology Practice Test

EPPP MCQ 3