For a within-subjects study evaluating the mean difference between two treatment conditions, the appropriate hypothesis test is a. independent-measures t test. b. repeated-measures t test. c....

For a within-subjects study evaluating the mean difference between two treatment conditions, the appropriate hypothesis test is

a. independent-measures t test.

b. repeated-measures t test.

c. single-factor analysis of variance.

d. chi-square test for independence.