Establishing the third required condition for cause and effect (lack of alternative explanation) can also be viewed as eliminating the presence of “the third variable problem.”
a. True
b. False
Ans: a
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Which of the following best describes Piaget's concept of a scheme?
a. A plan of action. b. Failure to reflect on the perspective of others. c. An organized pattern of behavior or thought. d. The tendency to adjust to one's environment.
Play supports intellectual growth by doing all of the following except
a. leading to conceptual development. b. developing problem-solving skills. c. mastering abstract symbolism. d. developing fine motor skills.
A researcher records the following data for the number of different food items chosen by seven participants in a buffet-style setting: 1, 6, 2, 5, 4, 3, and 7. Is the mean equal to the median in this example?
A. Yes. B. No; the median is larger than the mean. C. No; the mean is larger than the median. D. There is not enough information to answer this question.
Answer the following statement(s) true (T) or false (F)
The calculation of sample variance will be larger than the population variance for the following data: 3, 5, 4, 7, 3, 5, 4, 8, and 9.