Chemicals that pass information across the tiny gap between neurons are called:
A) neurotransmitters.
B) phytohormones.
C) gasotransmitters.
D) semiochemicals.
A) neurotransmitters.
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Which statements about racial differences in intelligence is FALSE?
A) African Americans who have a higher percentage of European genes tend to have higher intelligence scores than do African Americans with a lower percentage of European genes. B) Biases in the testing situation might explain some, but not all, of the racial differences in intelligence scores. C) Racial differences in intelligence scores plausibly can be accounted for by environmental factors. D) Scientists have not isolated a genetic basis for racial differences in intelligence.
In a __________, each member of a population has an equal chance of being selected to participate
a. random sample c. stratified sample b. selection sample d. free sample
Freud believed the superego developed to force the id to follow rules
Indicate whether the statement is true or false
If you were reviewing student research papers looking for specific information and recording the results, you be completing a
a. structured observation. b. structured record review. c. personal interview. d. individually-administered survey.