The difficulty with using one regression equation to predict values in a different set of data is called
A. Shrinkage
B. Contraction
C. Reduction
D. Washing
Answer: A
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A developmental theory created by someone from Africa would likely look almost identical to one created by someone in the United States.
Answer the following statement true (T) or false (F)
During the first year, infants learn to sit up, move from place to place, increase their coordination, and which of the following?
a. Triple their birth weight b. Stand up without assistance c. Hold and use objects d. Obey simple commands
Some advocates of cooperative learning suggest that the most effective cooperative groups are those that include a wide range of student ability levels. How can we best summarize research findings regarding the effectiveness of different kinds of groups?
a. These advocates are correct; heterogeneous grouping maximizes student achievement. b. Low-ability students do better when placed with high-ability students, but middle-ability students work best with students very similar to themselves in ability. c. High-ability students rarely, if ever, benefit from working with low-ability students. d. Research results are inconclusive with regard to the optimal range of ability levels within a particular group.
Norman Triplett's 1898 study is important because it was the first attempt to experimentally study the impact of
a. Similarity on conformity b. Group polarization when faced with conflict of interest c. Social interdependence on task performance d. Social loafing in decision making