John has been having a lot of difficulty in his marriage and at work the past few months. He has been feeling down, has been sleeping more than usual, and has lost his appetite. John may suffer from a(n) ________ disorder

An independent-measures study produces sample means of M1 = 20 and M2 = 17, and a pooled variance of 9 . For this study, what is the value of Cohen's d?

a. 3/3 b. 3/9 c. 3 d. Impossible to determine without knowing the sample sizes

Carl Rogers believed that we all have unique frames of reference

Indicate whether the statement is true or false