Nicola has excess body weight for her age and height and a body mass index at the 97th percentile. Nicola is classified as __________.
A. obese
B. slightly overweight
C. overweight
D. at the median weight in the United States
Answer: A
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According to Matsumoto and his colleagues, the general class of statistical procedures that helps to determine the degree to which differences in mean values reflect meaningful differences among individuals is called _____
a) between-group statistics b) effect size statistics c) analysis of variance d) multivariate analysis of variance
Each point on a scatter diagram represents a. the variance of a set of scores
b. the standard deviation of a set of scores. c. where an individual scored compared to the mean. d. where an individual scored on both x and y.
A psychological understanding of slip-of-the-tongue errors:
a) has not advanced much beyond the initial ideas of Sigmund Freud on what are now called Freudian slips. b) advanced considerably when behavioral psychologists studied speech production in terms of imitation. c) reveals that such errors are attempts by the right cerebral hemisphere to control the left cerebral hemisphere. d) has been advanced with a connectionist theory that includes spreading activation.
In a within-subjects study that extends over a relatively long time, it is possible that there will be systematic changes in the participants' skills or knowledge during the time of the study. When these changes influence the participants' scores, causing scores at the end of the study to be different from scores at the beginning, the effect is called ____
a. history effects b. instrumentation c. maturation d. regression toward the mean