A sample of n = 9 college students is used to evaluate the effectiveness of a new Study Skills Workshop. Each student's grade point average (GPA) is recorded for the semester before the workshop and for the semester after the workshop. The average GPA improved by MD = 0.60 points with s2= 0.09 . The researcher would like to use the sample to estimate how much effect the workshop would have for
the entire college population. Which of the following is the 80% confidence interval for these data?
a. µD = 0.60 + 0.01(1.397) c. µD = 0.60 + 0.10(1.397)
b. µD = 0.60 + 0.09(1.860) d. µD = 0.60 + 0.10(1.860)
C
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Justin plays drums for a local rock band. When country and western band asks Justin to fill in for their drummer, Justin initially has some difficulty adjusting to this new band's tempo since he is so used to the timing of his own band's "beat.". This initial difficulty in adjusting to the new "beat" is best explained by
a. retroactive interference. b. proactive interference. c. memory decay. d. encoding failure.
Tony asks his friend Clay how he was able to get his mom to give him $10 for the movies. Clay replies that you first ask for a loan of $25 . When she refuses, you then ask if she could at least loan you $10 . Clay has learned that which approach works his mom?
a. highball technique b. lowball technique c. door-in-the-face effect d. foot-in-the-door effect
According to your textbook, which one of the following would be least likely to have scoring key or scoring guidelines?
a. A portfolio b. An authentic assessment c. An essay question d. A classroom test
According to the social control perspective, co-occurrence in externalizing disorders is due to
A. family influences and genetic factors. B. risk-taking tendencies that restrict selection of environments. C. one externalizing problem leading to another. D. a failure to learn appropriate methods of self-control and self-regulation.