Apoptosis results from the activation of
a. caspases
b. neurotrophins.
c. sonic hedgehog.
d. inducing proteins.
a
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For children suffering from migraine headaches, the treatment of choice may be
a. relaxation training. b. thermal biofeedback. c. electromyographic biofeedback. d. systematic desensitization.
The researcher stated that in his experiment, "frustration is described as any interruption of the subject before he or she finishes the timed puzzle.". This description is considered to be a(n)
a. estimated value. b. theoretical element. c. operational definition. d. hypothesis.
According to Freud, instinctual urges that demand immediate gratification stem from the
a. ego. b. superego. c. id. d. more than one of the above
Jia is a bear trainer at the circus. She wants to teach Barney the bear to ride a unicycle. To do this, Jia first rewards Barney for sitting up. Then she rewards Barney only if he sits on the unicycle seat. Next, she rewards him only for sitting on the unicycle seat and raising his paws toward the pedals and so on. By show time, Barney can ride the unicycle. This method is called
A. higher-order conditioning. B. reconditioning. C. shaping. D. latent learning.