Some of the emotional justification for the 1914 Harrison Act can be found in a New York Times article from that year, called "Negro Cocaine ‘Fiends' are a New Southern Menace."
Indicate whether the statement is true or false
True
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A professor wants to examine the effects of diet on learning. He places some laboratory rats on a starvation diet (Group A) but eliminates only desserts from the diet of a second group (Group B). During the experiment, the professor discovers that he needs more Group B rats, so he catches some in a local alley. The results of the experiment show that Group B rats are faster at learning a maze, so
the professor concludes that diet is related to learning speed. Which statement about his conclusion is most accurate? a. ?The professor's conclusion is correct because the number of rats in each group are the same. b. ?The professor's conclusion is correct because the two groups of rats were on a different diet. c. ?The professor's conclusion is incorrect because the type of rat was a confound. d. ?The professor’s conclusion is incorrect because the study is correlational.
Unexpected reinforcers produce more dopamine than expected reinforcers
Indicate whether the statement is true or false
Although the split-brain patients studied by Sperry and Gazzaniga were all right-handed, they showed superior performance when using the left hand to a. draw a three-dimensional figure
b. copy words they saw. c. copy words they heard. d. identify objects by touch.
Most differences in male and female behavior appear to be the result of inherent biological differences
a. True b. False