Competence, rationality, and assertiveness are examples of __________ traits that are typically considered to be __________

The set-point theory has difficulty explaining ________

a. why most people who diet eventually gain the weight back. b. how the same daily caloric intake causes some to gain weight, but not others. c. the dramatic worldwide increases in the rates of overweight and obesity. d. the role of basal metabolism rates and fat cells in maintaining weight.

By comparing behavior within pairs of dizygotic twins (fraternal twins) with that of pairs of monozygotic twins (identical twins), researchers can determine whether monozygotic twins are more similar on a particular trait, on average, than dizygotic twins

Indicate whether the statement is true or false.