A line graph of the frequencies of individual scores is a _____
a. histogram
b. frequency distribution
c. frequency polygon
d. bar graph
c
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Children seem to develop an understanding of racial constancy at about age
a. 2. b. 4. c. 6. d. 10.
A national survey found that almost _____ percent of American women have a negative body image, particularly concerning their waists, hips, and/or thighs
a. 1 b. 25 c. 50 d. 75
The preoperational concept of ____ suggests that children in this stage believe that others see the world exactly as they do; that is, that their perspective is the only perspective there is
a. animism b. centration c. egocentrism d. object permanence
When an action potential reaches the end of an axon, the depolarization causes what ionic movement in the presynaptic cell?
a. sodium out of the cell b. lithium out of the cell c. iron into the cell d. calcium into the cell