Out of the 200–500 million sperm cells that are released during an ejaculation, only ____ complete the short journey up the Fallopian tubes to where an egg is waiting to be fertilized
a. half
b. a few thousand
c. a few hundred
d. a few hundred thousand
c
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Negative reinforcement follows a behavior and increases the probability that it will occur again, because it
a. removes something unpleasant. b. is much like observational learning. c. increases attachment behavior. d. decreases spontaneous recovery.
Compared to middle- and upper-class parents, lower-class parents tend to
a. place less value on obedience to authority. b. show more warmth and affection to their children. c. spend more time reasoning with their children. d. be more restrictive and stress obedience.
The overall trend in intelligence testing has been to deemphasize ____ and to give more emphasis to ______
a. correct answers; justifications given for wrong answers b. fluid intelligence; crystallized intelligence c. knowledge; efficiency of learning d. race; gender
Persons who mistake the familiarity of an imagined event with an actual childhood memory may be experiencing source confusion
Indicate whether the statement is true or false