Define case studies, correlational studies, and experimental studies and present weaknesses of each design.
What will be an ideal response?
The ideal answer should include:
1. Case studies intensively study a small number of children or families. Results from case studies are difficult to generalize to the broader population because the case study sample size is small.
2. Correlational studies are used to determine which variables are related to each other and how the variables are associated. Correlation cannot be used to determine cause and effect.
3. Experimental studies go a step further than correlational studies and can be used to establish cause and effect. When studying some variables (e.g., the experience of child maltreatment), random assignment is not possible, meaning true experimental design cannot be used.
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Which of these is true of the nervous system? a. Axons signal the intensity of a stimulus by varying the speed of action potentials. b. The right hemisphere controls the right side of the body
c. New neurons can form in certain areas of the adult brain. d. Ordinarily, you use only about 10 percent of your brain.
What might cause a genetic female to develop partly masculinized external genitals? a. During her prenatal development, she was exposed to extra testosterone
b. During her prenatal development, her estrogen levels were below average. c. During her prenatal development, she was exposed to a high fever. d. During her prenatal development, her mother took antidepressant medications.
Denise and Brandon are just getting to know each other. Each compliments how the other one looks. Given the research on men, women, and sexuality, which of the outcomes is most likely?
a. Denise will interpret Brandon's compliment as a sexual come-on. b. Brandon will interpret Denise's compliment as a sexual come-on. c. Both Denise and Brandon will interpret each other's compliments as a sexual come-on. d. Neither Denise nor Brandon will interpret each other's compliments as a sexual come-on.
When statistics are age-adjusted, the country with the lowest annual mortality rate is
France. Switzerland. Canada. Japan.