Gabe had a score of 70 in a class with a mean of 80 and a standard deviation of 10. His z-score is
a. +2.0.
b. +1.0.
c. -1.0.
d. -2.0.
ANSWER: c
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Researchers have examined whether gender differences in some cognitive areas might be explained by hormonal factors. The discussion of this possibility emphasizes that
a. the levels of hormones prior to birth do have an effect on the performance of spatial tasks. b. during puberty, the level of an important hormone increases more in males than in females, and this factor explains part of the male advantage on complex math tasks. c. the results of this research are often contradictory or complex. d. because this research has been carefully conducted, this is the most likely of the biological explanations for cognitive gender differences.
Johnny is intellectual disabled and is learning to take care of his supervised apartment at the residential center, to keep his clothes clean, and to cook simple foods. The therapist will be using tokens to improve Johnny's independent living skills. Johnny will be able to exchange these tokens for trips to the bowling alley, the mall, or a movie. The therapist initially rewards Johnny for
attempting each target behavior. As the training proceeds, Johnny will be required to gradually improve his performance of these skills, such as his food preparation progressing from making sandwiches to actually cooking various foods using the microwave and stove. This gradual improvement of Johnny's independent living skills is an example of the use of a. shaping. b. reciprocal inhibition. c. classical conditioning. d. systematic desensitization.
When a woman in a persistent vegetative state was told to imagine playing tennis, an fMRI of her brain showed increased activity in motor areas of her cortex, similar to what healthy volunteers showed.
Answer the following statement true (T) or false (F)
Adolescents are less __________ their friends than they were in childhood
A) similar to B) possessive of C) likely to cooperate with D) likely to share feelings with