Which of the following symptoms is a diagnostic criteria for both anorexia nervosa and bulimia nervosa?
a. fasting
b. bingeing
c. excessive emphasis on body shape and weight
d. intense fear of becoming pregnant
Answer: c.
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A researcher did a study on the effects of an exercise program on children's attention at school. Half of the children got assigned to participate in a before school exercise program and half got assigned to a control group program that does not involve exercise. Which of the following is the independent variable (IV) in this study?
a. whether or not the exercise experience occurs before or after school b. whether or not the child experiences an exercise program c. the level of children's attention at school d. whether or not children have prior experience with strenuous exercise
Adult forms of ADHD primarily involve______
a. hyperactivity and distractibility, but not inattention b. hyperactivity and inattention, but not distractibility c. inattention and distractibility, but not hyperactivity d. hyperactivity, distractibility, and inattention