Hippocrates is viewed as one of the first figures in history to emphasize that psychopathology can be attributed to

Professor Golder is studying hyperactivity in preschool age children. She is concerned that differences in child rearing, diet, and so forth may affect her results

To minimize these potential preexisting variables, she should be sure to do which of the following? a. Use random assignment when forming her groups. b. Include an independent variable. c. Include a dependent variable. d. Assign boys to the experimental group and girls to the control group. e. Include multiple confounding variables.

Which statement about caregivers is false?

a. Heart disease is more prevalent in caregivers than non-caregivers. b. There are more nonpaid caregivers in the U.S. than paid or professional caregivers. c. There are little or no resources or support groups to help caregivers. d. Caregiving is both emotionally and physically exhausting.