A researcher is interested in whether students who are musicians have higher intelligence test scores than students in the general population. The researcher predicts that playing a musical instrument is associated with higher intelligence test scores. The researcher selects a sample of 75 musicians from local high schools and gives them an intelligence test. The mean for the sample is 105 . The
mean for the general population (µ) is 100 with a standard deviation (s) of 15 . What is zobt for this sample?
a. 0.33
b. 1.89
c. 2.89
d. 3.25
c
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People with body dysmorphic disorder __________.
A. overemphasize and show tremendous attention to information relating to attractiveness B. underemphasize and show little attention to information relating to attractiveness C. underemphasize and show little attention to information relating to height D. overemphasize and show tremendous attention to information relating to height
Milgram, by having a group of confederates stare up at a point on a distant building, discovered people who passed by would also stare up at the same point on the distant building if there were five or more confederates in the stimulus group.
a. True b. False
Identify three psychological methods of treating substance-related disorders
What will be an ideal response?
The participants selected to take part in an experiment are called the __________ and must represent those to whom the results will be generalized
Fill in the blank(s) with correct word