SCENARIO 2-6 A Sample of 200 Students at a Big-Ten University Was

question 122

Multiple Choice

SCENARIO 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying,and whether they did well or poorly on the midterm.The following table contains the result.

-Referring to Scenario 2-6,_____percent of the students in the sample spent the weekend studying and did well on the midterm.

• A)40
• B)50
• C)72.72
• D)80

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Definitions:

Difference Threshold

is the minimum difference in stimulation required to differentiate two stimuli, also known as the just noticeable difference.

Absolute Threshold

The minimum intensity of a stimulus that one can perceive, indicating the lowest level at which an individual can detect a stimulus 50% of the time.

Difference Threshold

The minimum difference in stimulation that a person can detect 50% of the time.

Just Noticeable Difference (Jnd)

The least alteration in a stimulus that is just noticeable by an organism.