Ronald Melzack's neuromatrix theory of pain is based on the reality that
a. pain radiates out from the central axis of the body and downward from the head.
b. the gate-control theory does not explain why some people do not experience pain.
c. people often experience pain with little or no physical cause.
d. every painful experience has emotional as well as physical consequences.
Answer: c. people often experience pain with little or no physical cause.
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Girls tend to have more difficulty adjusting to the presence of a stepfather in part because
a. boys generally like having a stepfather with whom they can play sports. b. girls often view the stepfather as disrupting their relationship with their mother. c. girls tend to maintain a stronger bond with the father (even though he does not have custody) than boys. d. girls tend to view the stepfather as making their mothers less happy.
The common factor among psychoactive drugs may be
a. their ability to activate the "pleasure pathways" of the brain. b. the ease of obtaining them and the relatively inexpensive cost. c. the similar way in which they are metabolized in the body. d. their identical effect on neurotransmitters at the synapse.
Many ethnic, spiritual and women's communities, and some athletic teams, are examples of more ____ structures within the broader ____ cultural forces in the U.S. at large
a. collectivistic; individualistic b. individualistic; collectivistic c. ingroup; outgroup d. dominant; subordinated
A reinforcer that is reinforcing in and of itself is called a ________ reinforcer
a. direct b. delayed c. primary d. secondary