Answer:
Cohort study
Explanation:
Cohort study: The cohort study is defined as a longitudinal study that takes a sample of cohort that performs a cross-section at different intervals concerning time.
In this context, the cohort is known as a particular group of individuals who incorporates a defining character, usually those individuals who have accomplished a specific event in a particular period, like birth order.
Cohort study comes under the observational studies.
Example: In the question above the researcher wants to identify the impact of cholesterol on the development of heart disease.
Answer:
D) the self-serving bias.
Explanation:
Based on the information provided within the question it seems that his example illustrates a self-serving bias. This term refers to an individuals characteristic of attributing positive events to themselves but at the same time placing negative events as caused by external factors. Which is what Ainslie is doing by blaming other factors when she did bad on her test but when she got an A- she attributed that to her own talent.
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European settlers first came into contact with the French
