______ provides information about the magnitude of the target variable and is used to guide visual analysis of data obtained in single-subject studies.
A. Level
B. Trend
C. Variability
D. Frequency
Ans: A
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What is "epigenetics"?
a. Genetic differences between males and females, or any other two groups b. Changes in gene expression without changes in DNA c. The way genes alter behavior d. Evolutionary changes in genes
Which is a common challenge to Piaget's theory?
a. It failed to distinguish between competence and performance. b. It overestimated young minds. c. It placed too much emphasis on explaining development rather than describing development. d. It overemphasized the role of social influence on cognitive development.
According to research, the percentage of teen magazines devoted to advertising is approximately
a. 15 percent b. 25 percent c. 40 percent d. 50 percent
Karen has recently moved from a large academically focused high school to a new school in a small town. In her old school, most of her classmates were high-achievers with high aspirations for academic careers. In her new school, academics are not a big fo
and, in fact, Karen has among the best grades in her class and feels great about her school achievement. This situation best illustrates the _______________________ effect. a. big fish in a little pond b. fresh start c. small town-small dreams d. coming of age