The reason for statistically less error variance in within-subjects designs is:
a. less variability within each of the two groups.
b. smaller treatment differences.
c. individual differences are removed from the error variance.
d. all of these
C
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The main chemical(s) associated with the fight or flight response:
a. are catecholamines c. is endorphin b. is cortisol d. is insulin
Regarding our memories for people, which of the following statements is FALSE?
a. Encoding failures affect our memories of people. b. Our memory for people is affected by our tendency to categorize strangers in very specific terms. c. During brief social contacts, people often act as if members of other ethnic groups "all look alike.". d. People's inclinations to act as if members of other ethnic groups "all look alike" tends to disappear when they learn more about one another as individuals.
Most of the higher functions of the brain, such as reasoning and language, are located in the
A) limbic system. B) midbrain. C) cerebral cortex. D) brainstem.
Seminal fluid:
A) is secreted by the seminal vesicles and the prostate gland. B) serves as a vehicle to transport sperm out of the testes into the vas deferens. C) is secreted by the urethra. D) all of the above