For a sample of n = 6 scores with ?X = 30 and ?X2 = 200, SS = 20
Indicate whether the statement is true or false
False
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Lisa suffered a stroke that virtually destroyed her lateral hypothalamus. This damage will likely __________.
A. cause Lisa to refuse to eat or eat very little B. cause Lisa to overeat C. greatly increase Lisa's metabolism D. greatly reduce Lisa's metabolism
One problem with cross-cultural research studies is that they
a. must always conclude that similar behavior found in children of different cultures must be biologically determined. b. can never conclude that similar behavior found in children of different cultures may be biologically determined. c. can never be of much benefit to developmental psychologists. d. must make certain that the tasks given to children from different cultures are equated with respect to language and the type of task used.
A professor found a correlation of ?0.20 between time spent reading the textbook and classroom performance. How should he interpret this finding?
A. Students who read more did better in class. B. Students who read less did better in class. C. Reading amount predicted increases in classroom performance. D. Reading had no impact on students' scores.
What is the goal of cross-sectional research?
a) To examine how factors that are associated with a characteristic of interest change over time b) To examine factors that are associated with a particular characteristic of interest c) To examine how manipulated factors interact with specific factors subjects are chosen by d) To examine factors that remain constant over time