Which of the following statements concerning personality stability is not correct?
a.
perceived changes in personality may be relative to the surrounding context.
b.
personality changes appear to decline as one becomes older.
c.
one’s level of anxiety appears to remain fairly stable throughout life.
d.
personality is often more malleable after one reaches adulthood.

the answer to the question is punishment. or more specifically, positive punishment.

positive punishment occurs when a behavior is given a negative consequence for the individual doing the behavior.

sara no longer wants to ask questions (the behavior) because she is ridiculed by mr. smith (the punishment).

reinforcement is inaccurate because reinforcement always gives positive consequences for the individual doing the behavior, be it by introducing a pleasant consequence or removing an unpleasant one.