Which of the following factors affect human serotonin levels?

Scientists agree that a general intelligence underlies the specific abilities and talents measured by intelligence tests

Indicate whether this statement is true or false.

With regard to recovered memories, on which point are nonscientific writers and research psychologists most likely to agree?

a. Sexual abuse is more common than many people would like to think. b. The repression of memories is a major source of depression and eating disorders. c. Recovered memories, in the absence of other evidence, are not sufficient to prove past abuse. d. Many people who allegedly recover memories of abuse are making up stories.