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.

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Definitions:

Enteric Plexus

A network of neurons located in the gastrointestinal tract walls that helps regulate the digestive process.

Submucosal Plexus

Gangliated plexus of unmyelinated nerve fibers in the intestinal submucosa.

Myenteric Plexus

Part of the nervous system in the gastrointestinal tract that controls gut movement and function.

GERD

Gastroesophageal Reflux Disease (GERD) refers to the chronic condition where stomach acid flows back into the esophagus, causing irritation.