Counseling Research and Program Evaluation 3

Question 1

Which scale of measurement has equal intervals and a true zero point?

Accepted Answer

Ratio

Answer

Ratio scales, such as number of counseling sessions attended, have equal intervals and an absolute zero.

Question 2

A researcher wants to compare mean depression scores across three different treatment groups. Which statistical test is most appropriate?

Accepted Answer

One-way ANOVA

Answer

A one-way ANOVA compares means across three or more independent groups on one factor.

Question 3

A researcher examines whether gender is related to preference for individual versus group counseling, using frequency counts. Which test fits best?

Accepted Answer

Chi-square test of independence

Answer

Chi-square tests whether two categorical (nominal) variables are associated using frequency data.

Question 4

A Type I error occurs when a researcher:

Accepted Answer

Rejects a true null hypothesis

Answer

A Type I error is a false positive, rejecting a null hypothesis that is actually true, with probability equal to alpha.

Question 5

According to Cohen's conventions, an effect size (d) of 0.80 is considered:

Accepted Answer

Large

Answer

Cohen labeled d values of 0.2, 0.5, and 0.8 as small, medium, and large, respectively.

Counseling Practice Test