The diaphragm's main function is to
A) prevent sperm from reaching the uterus.
B) alter the acidity in the vagina.
C) keep spermicide in place.
D) prevent implantation of a fertilized egg.
C
Psychology
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Punishment is supposed to be a "mirror image" of reinforcement, meaning that it
(a) is supposed to increase a certain behavior (b) is supposed to decrease a certain behavior (c) does not show generalization (d) is easy to understand
Psychology
When we say that punishment is often intended to operate vicariously, it means:
(a) memories of how we've been punished in the past don't work effectively (b) the knowledge that someone is being punished is intended to affect the behavior of others (c) it is not really very effective, but we use it anyway (d) it works more effectively than positive reinforcement
Psychology