Felicity Scored 98% on Her First Statistics Exam, While Baxter

question 147

Multiple Choice

Felicity scored 98% on her first statistics exam, while Baxter scored only 35%. Felicity studied really hard in an attempt to score 100% on the next exam. Baxter decided he wasn't going to be successful in the course, so he didn't study at all. On the second exam Felicity scored 89%, while Baxter scored 42%. One explanation for this might be

• A)both Felicity and Baxter experienced a placebo effect.
• B)Felicity is experiencing a "sophomore slump," while Baxter is experiencing a "junior jump."
• C)both Felicity's and Baxter's scores reflect regression toward the mean.
• D)both Felicity's and Baxter's scores reflect the impact of a self-fulfilling prophecy.

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Definitions:

Adoption Studies

Research studies that compare similarities between adopted children and their biological and adoptive parents to understand the influence of genetic vs. environmental factors.

Genetics

The investigation into how traits are passed down from one generation to the next and the differences in these inherited traits.

Environment

The surroundings or conditions in which a person, animal, or plant lives or operates.

Meta-Analysis

A statistical technique that combines the results of multiple scientific studies to arrive at a conclusion about a body of research.