The variance can best be thought of as the
a. average of the squared deviations from the mean.
b. average of the absolute deviations from the mean.
c. average of the deviations from the median.
d. square of the mean.
A
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Which of the following statements is FALSE?
a) The need to maintain an appropriate level of arousal can motivate human behaviors. b) Humans are sometimes motivated to increase tension. c) Having an unbalanced internal state can motivate human behaviors. d) Biological needs, such as the desire for money and fame, play the largest role in the motivation of human behavior.
A study by Göncü and Rogoff (1998) had four conditions in which adults helped children sort photos into categories. In the first condition, adults articulated category rationales for children
In the second condition, adults prompted children to articulate category rationales themselves. In the third condition, adults both articulated category rationales for children, and prompted children to articulate category rationales themselves. In the control condition, adults provided little-to-no scaffolding. Which of the following most accurately portrays the study's results? a. children in the first condition categorized the most items correctly b. children in the second condition categorized the most items correctly c. children in the third condition categorized the most items correctly d. none of the above