Raymond Cattell used factor analysis to organize personality into ________ source traits?

A genotype

a) is the genetic makeup of an individual. b) is an individual's observable appearance, which represents the interaction of genes and environment. c) changes drastically throughout the life span. d) of one person is identical to the genotype of all of that person's siblings.

Which of the following do those with anorexia nervosa and bulimia nervosa have in common?

A) fear of being or becoming fat B) below normal weight C) restricted eating D) a need for control