The standard error of the mean is the mean (expected value) of the distribution of the sample means.

In a(n) _____, the same therapy is introduced sequentially for two or more target behaviors

a. multiple baseline study b. reversal study c. analogue experiment d. case study

Putname et al. (1986) examined 100 cases of dissociative identity disorder, and found that ________ percent of the subjects had experienced significant trauma

a. 25 b. 53 c. 97 d. 100