The average ages at which voluntary skills such as grasping, crawling, and walking occur are known as ______
a. developmental norms c. cephalocaudil norms
b. proximodistal development d. median norms
a
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A researcher measures IQ and weight for a group of college students. What kind of correlation is likely to be obtained for these two variables?
a. A positive correlation c. A correlation near zero b. A negative correlation d. A correlation near one
Which of the following represents Cohen's rough estimates of small, medium, and large effect sizes?
a. .20, .50, .80 b. .00, .50, 1.50 c. .80, .50, .20 d. .40, .50, .60
Which of the following is not a critical element of the analysis of variance?
a. the variance within each group b. the variance of the means c. the variance of the total sample d. the difference between the means
The misinformation effect occurs when a person's memory for an event is modified by misleading information presented
A. before the event. B. during the event. C. after the event. D. all of the above