Recent scientific studies have shown that women should gain ____ pounds during pregnancy
a. 15–20
b. 25–35
c. 35–40
d. 45–50
B
Psychology
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In Skinner's study on superstitious behavior in pigeons, the animals were reinforced __________.
A. every time they turned to the left B. every 15 seconds C. every fourth time they bobbed their head D. only if they rocked back and forth
Psychology
The range is the lowest score divided by the highest score.
Answer the following statement true (T) or false (F)
Psychology
Virtually all infants are attached to their parents.
Answer the following statement true (T) or false (F)
Psychology
Children's ____________________ may reduce the appearance of how well they can remember events
Fill in the blank(s) with correct word
Psychology