◦Study 2 demonstrates that lower-socioeconomic-status students benefit more over time from an academic tutoring program than do higher socioeconomic-status students.
◦Study 3 is a cross-sectional study. A researcher measures the IQ of individuals who are in their twenties: Group 1: are all 20-year-olds, Group 2: are all 24-year-olds, and Group 3: are all 29-year-olds. The mean IQ for the three groups is 103, 100, and 90, respectively. Results showed a highly statistically significant difference. Consider whether or not the researcher can accuratley conclude that people lose intelligence in old age.
•Select two of the studies for this Application Assignment.
The assignment: (1–2 pages)
•Identify the two studies you choose for this assignment, and explain why you selected each.
•Identify the dependent and independent variable in each study.
•Briefly describe at least one other research design that might have been used for each study to gain additional or different information.
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