Research by Plomin and colleagues indicated that the highest heritability correlation concerning the emotion of anger was found between
a. identical twins raised together.
b. identical twins reared apart.
c. fraternal twins raised together.
d. fraternal twins reared apart.
a
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Self-censorship is associated with ____
a. social facilitation b. social loafing c. groupthink d. brainstorming
A neuron's electrical potential becomes less negative in response to:
a. an excitatory message b. an inhibitory message c. hyperpolarization d. the firing of the axon
Rats are more likely to engage in intracranial self-stimulation if they also self-administer a drug that further increases the sensitivity of the pleasure pathways in the brain. This drug is
a. alcohol. b. nicotine. c. LSD. d. heroin.
In the context of child development, attachment refers to the connection we have with people that ________.
A. causes us to experience pleasure when we interact with them and to be comforted by their nearness in times of stress B. depends on an expectation that those people will provide for our physical needs, such as the satisfaction of hunger C. builds our dependency on them, which makes it more difficult for us to develop independent lives and personality traits D. influences later development so thoroughly that it becomes more important than the parent-child relationship