Exhibit 19-1

question 51

Multiple Choice

Exhibit 19-1.A researcher wished to determine if there was a difference in the college aptitude examination scores of traditional and nontraditional undergraduate students.The researcher selected p = .05 as the level for rejecting the null hypothesis.The researcher obtained a mean score of 52 for nontraditional students and a mean score of 40 for the traditional students.Statistical analysis indicated that the difference in means was significant at the .05 level.
-Refer to Exhibit 19-1.What result would be reported?

• A) Nontraditional students are better college students.
• B) Nontraditional students have higher motivation, and this increases their college skills.
• C) Traditional college students are not as experienced, so they have a lower score.
• D) Nontraditional college students had a significantly higher score on the college aptitude examination than did traditional college students.

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Definitions:

Parasympathetic Nervous System

A division of the autonomic nervous system responsible for conserving energy and promoting a state of calmness and rest.

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems that plays an important role in muscle activation, memory, and learning.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, affecting heart rate, blood pressure, and blood glucose levels.

Epinephrine

Epinephrine, also known as adrenaline, is a hormone and neurotransmitter that increases heart rate, contracts blood vessels, and opens airways in response to stress or excitement.