______ many other psychological disorders, psychopathy is associated with a ______ amygdala

The most common type of sex-chromosome variation is:

a) Turner's syndrome. b) androgen insensitivity. c) Klinefelter's syndrome. d) congenital adrenal hyperplasia.

George and Logan are brothers. They live in a small apartment in the city with some other relatives. Their family is extremely poor. Their father is hardest on George, the eldest, and sometimes physically abuses the brothers. Which environmental factor is likely to be most important in the later adjustment of George and Logan?

A. Their poverty B. The overcrowding of their living situation C. The physical abuse D. The fact that they live with other family members