Randomized assignment to conditions in experiments greatly strengthens the:
a. control of extraneous or confounding variables.
b. likelihood that different outcomes are due to the intervention or innovation.
c. ability to determine cause and effect.
d. all of the above
d
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Comparing an individual's test score only with members of his/her own racial group is an example of a. tracking
b. within-group norming. c. norm monitoring. d. criterion monitoring.
The absence of joy and interest in activities that were previously enjoyable is called ____
a. dysphoria b. dysthymia c. anhedonia d. depression
The defining feature of a "hub science" is a science that:
A) focuses mainly on laboratory research. B) receives a large amount of federal grant funds. C) links with and influences smaller subfields. D) grants doctoral degrees.
Julio served in the war in Iraq and was severely traumatized when a rocket-propelled grenade exploded next to his Humvee
Recently, Julio was studying in the library and a large book fell off a high shelf and banged on the floor. The noise brought Julio instantly to his feet. In terms of classical conditioning, his response can best be explained by _____. A) spontaneous recovery B) negative reflex C) reinforcement D) stimulus generalization