To explain the human universality and variability of emotions, Ekman and his associates ________
a) developed a concept of "display rules," which are rules for emotional expression
b) developed an interobserver system to make sure that observers defined expressions reliably
c) interviewed all participants in order to assess unexpressed feelings and motivations
d) monitored the brain waves of participants to determine which hemisphere had higher activation
ANS: a
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Which of the following statements regarding language is correct?
a) Nonhuman animals have the ability to symbolize their physical and metaphysical world. b) Some nonhuman animals can create sounds representing symbols (morphemes). c) Some nonhuman animals can construct sentences. d) Syntax and grammar are unique to humans.
Benzodiazepines exert their antianxiety effects by enhancing the functions of which neurotransmitter?
A) GABA B) serotonin C) dopamine D) ACTH
The Children's Internet Protection Act is directed at what organizations?
A) Public schools and libraries B) Internet service providers C) Internet site producers and managers D) all of the above
Adolescent boys are more likely than girls to focus on physical appearance as a basis for self-esteem
Indicate whether this statement is true or false.