The _____of a test is the extent to which it measures what it is supposed to measure
a. validity c. standardization
b. reliability d. none of these
A
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_____ are parts of a cell membrane that receive neurotransmitters and either initiate or prevent a new electrical signal.
A) Vesicles B) Receptors C) Neurotransmitters D) Glia
A consulting firm is hired to come up with creative solutions to an increasing trend of group polarization in government legislatures. They suggest choosing group members on the basis of personality. Specifically, research has shown that group polarization is most reduced or prevented by
A. leaders, who can achieve consensus and get decisions made quickly. B. intellectuals, who are very careful to fully explore different possibilities fairly. C. people-pleasers, who are most concerned with group unity. D. rebels, who don't care how other people perceive them.
Marcus exhibits panic, fever, seizures, meaningless mumbling, and vivid hallucinations. His
behavior is best described as ______. a. dementia c. Alzheimer's disease b. schizophrenia d. delirium
According to Thorndike's law of effect,
A. behaviors followed by satisfying outcomes are strengthened and behaviors followed by frustrating outcomes are weakened. B. species-specific biological predispositions favor some learning styles over others. C. an organism will recover a previously conditioned response when placed in a novel context. D. negative behaviors can be easily extinguished through classical conditioning.