Dr Anderson Conducted a Study Investigating Whether Exercising Immediately Before

question 20

Multiple Choice

Dr. Anderson conducted a study investigating whether exercising immediately before an exam boosted cognitive abilities. She randomly assigned participants to either do jumping jacks or count to 60 before giving them a geometry test. She did not find any differences between groups but believes there may have been a ceiling effect. What might be a clue that this was the case?

• A)All participants' scores are centered around 100% correct.
• B)Participants in the counting group showed more variability in scores.
• C)Participants in the exercise group took longer to complete the test.
• D)Some participants verbally noted that the test was too easy.

---

Definitions:

Consumer Surplus

The discrepancy between the financial amount consumers intend to spend on a good or service and the amount they end up spending.

Peanuts

A legume crop grown mainly for its edible seeds, which are high in protein, fat, and various healthy nutrients.

Firm's Willingness

Firm's willingness refers to a company's readiness or inclination to engage in certain activities, such as investing, producing, or changing pricing strategies, based on expected outcomes.

Producer Surplus

The difference between the market price for a good or service and the lowest price at which producers would still sell it.