It is now time to think like a scientist once again! For this Psychology Field Journal entry, you are going to demonstrate your understanding of how nature and nurture impact monozygotic (identical) and dizygotic (fraternal) twins who were raised apart from each other. In the most influential study done on this debate, 56 pairs of monozygotic reared-apart twins from the United States and seven other countries participated. This is the most comprehensive study ever done on the influence of environmental and biological factors on human development. Read the information and excerpts from this important study, and use this information to answer the reflection questions below. Summary and Selected Excerpts from “Sources of Human Psychological Differences: The Minnesota Study of Twins Reared Apart” (Bouchard, Lykken, McGue, Segal and Tellegen)

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.
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.