summary and selected excerpts from “sources of human
psychological differences: the minnesota study of twins reared
apart" (bouchard, lykken, mcgue, segal and tellegen)
1. in one paragraph, describe the research methods used in this study and why you believe they were chosen. be sure
to use key terms such as cross-sectional research, longitudinal research, data collection, observation, case studies,
questionnaires, and experimentation, as they apply. your answer should include at least two of these key terms.
2. in one paragraph, discuss the research findings. does the study support genetics (nature) or environment (nurture)
as a stronger influence on human development? use information from the article and the lesson to support your
response.