Which psychophysicist's major contribution was to demonstrate that the relationship between incoming stimuli and corresponding perceptions was not one-to-one?
a) Fechner
b) Helmholtz
c) Wundt
d) Titchener
Answer: a
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Escape learning is a type of learning in which
a. an organism's responding is influenced by the observation of others' behavior. b. an organism engages in a response that brings aversive stimulation to an end. c. a neutral stimulus acquires the ability to elicit a response that was originally elicited by another stimulus. d. an organism engages in a response that prevents aversive stimulation from occurring.
The likelihood of an action potential will increase whenever:
a. sodium channels open, allowing sodium ions to flow into a neuron b. either potassium ions flow out of the cell body or chloride ions flow into the cell body c. either chloride ions flow out of the cell body or potassium ions flow into the cell body d. the neuron's sodium/potassium pump is inactivated
Twenty-five-year old Lay Hoon took a battery of intelligence tests for admission into the
Royal Hong Kong Air Force Academy and scored slightly above average. She was tested again twenty years later, and her performance on the tests nearly doubled. According to the text, Horn and his colleagues would attribute this increase to a. an increase in fluid intelligence. b. an increase in crystallized intelligence. c. an increase in both fluid and crystallized intelligence. d. an increase in concentration and reaction time.
Construct validity is primarily concerned with
a) The explanation of the causal relationship between the experimental manipulation and the outcome b) The rationale for the measurement used in the experiment c) Ruling out alternative operational definitions of the construct of interest d) The validity of the interpretation in defining the construct of interest