When 4-year-old Kayla is asked if she has a brother, she says, "Yes." When she is asked if her brother has a sister, she says, "No." Kayla's response is best considered an example of:

The challenge of determining the existence of a g is

the current research focus on assessment rather than on intelligence. adults' resistance to taking tests. the lack of pure measures of intelligence. the expense of conducting extensive, cross-sequential research.

The development of anorexia in young females is related to

a. a general susceptibility to internalizing disorders. b. substance use such as cigarette smoking and binge drinking. c. the same factors involved in the development of bulimia. d. all of these answers are correct.