Which of the following is probably to blame when explaining discrepancies in research findings related to day care and its influence on cognitive development?
A) Studies involving day care fail to account for the size of the facility and number of children enrolled.
B) Studies that relate to impoverished children are more accurate if the studies are small.
C) Too many studies focus on the problems of middle class children but not impoverished children.
D) There is a discrepancy in the level of stimulation a child would receive at home versus day care.
D
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Conceptually, the standard deviation for a distribution can be thought of as:
A) the center of the distribution. B) the average frequency for each category. C) the average distance from the mean. D) the distance between the highest and lowest value.
If Jessica remembers her books and assignments for a week, her mom will take her for ice cream. Providing incentives for doing well on a task that will be accomplished in the future is known as a(n) _______ reward
a. intrinsic b. informational c. control-based d. mastery