How much larger are the brains of Homo sapiens than the brains of the early Homo species that immediately preceded us?

In the analysis of variance we will assume that

a. the populations are normally distributed. b. the populations follow a rectangular distribution. c. the populations all have completely different shapes. d. There is no assumption about the shape of the population.

Which type of therapy for depression would be MOST interested in altering internal belief systems?

A. Cognitive therapy B. Behavior therapy C. Using SSRIs D. Using HCAs