When her baby begins to cry, Brenda can quickly soothe him by picking him up, holding him, and stroking his head. Based on research with animals
it is likely that Brenda's touch has a soothing effect, in part, because it leads to the release of ___________ in the baby's brain.
a. morphine
b. endorphins
c. leptin
d. vasopressin
Answer: b
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In both classical and operant procedures, training responses to one stimulus but not to
others, even if they closely resemble the first stimulus, are called a. stimulus discrimination. b. stimulus generalization. c. spontaneous recovery. d. extinction. e. acquisition.
Soon-Lee knows that her socks are smaller than her mother's
socks and that her mother's socks are smaller than her father's socks, so that means her own socks are smaller than her father's socks. This shows that Soon-Lee understands: A) transitive inference. B) hierarchical classifications. C) combinativity. D) all of the above