Olds and Milner (1954) found that electrical stimulation of a certain section of the _____ produced pleasure and was highly rewarding.
A) hypothalamus
B) thalamus
C) hippocampus
D) amygdala
A) hypothalamus
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Under what circumstances will the distribution of sample means be normal?
a. It is always normal b. Only if the population distribution is normal c. Only if the sample size is greater than 30 d. If the population is normal or if the sample size is greater than 30
Stephan is 5 years old, and is able to put moderate-sized jigsaw puzzles together with the help of his older brother. If he tries to do the puzzle on his own, he will usually be unsuccessful. According to Lev Vygotsky, putting together these puzzles falls in Stephan’s ______
a. ?zone of optimal development b. ?zone of proximal development c. ?schema of preoperational development d. ?range of accommodation
The most likely sensory change between age 25 and 50 would involve a. the loss of ability to taste sour foods
b. a diminished ability to experience pain. c. having trouble seeing things that are near. d. the inability to hear high-pitched sounds.
A major sociocultural event that created an acute need for psychological testing in the United States was
a. the establishment of psychology departments in major universities. b. new requirement for public school education for all children. c. the involvement of the country in WWI. d. the establishment of the National Institute for Mental Health (NIMH).