What is a popular procedure to assess categorization skills in older infants developed by

The following data represent the means for each treatment condition in a two-factor experiment. What pattern of results is shown in the data? A1 A2 B1 M = 30 M = 20 B2 M = 40 M = 10

a. main effects for both factors and an interaction b. main effects for both factors and no interaction c. a main effect for factor A, no main effect for factor B, and no interaction d. a main effect for factor A, no main effect for factor B, and no interaction

Regarding the effectiveness of therapy, which of the following statements is FALSE?

a. In a national survey, it was found that only five out of ten people who have sought mental health care say their lives improved as a result of the treatment. b. Someone who feels better after six months of therapy may have experienced a spontaneous remission. c. Studies have shown that some therapies are more effective for specific disorders. d. When experiments are used to determine the effectiveness of therapies, a waiting-list control group is often used.