Which of the following is an example of a qualitative variable?
A. the number of passengers in a vehicle
B. the posted speed limit on a highway
C. the miles per hour that a vehicle travels
D. the make and model of a vehicle
Answer: D
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Exocytosis is the process by which neurotransmitters are ____
a. released from the presynaptic neuron b. synthesized c. destroyed d. secreted into synaptic vesicles
If the connections between the amygdala and midbrain regions are severed, a CS paired with shock in a rat will no longer elicit:
A) freezing. B) increases in heart rate and blood pressure. C) a release of stress hormones. D) nonconscious cognitive expectancies.
The average occurrence of the adolescent growth spurt
a. occurs simultaneously for either boys or girls. b. happens earlier for girls than for boys. c. happens earlier for boys than for girls. d. never happens for some large-stature teenagers.
Voluntary behavior on the part of a person that produces consequences is called:
a. contingency behavior b. classical conditioning behavior c. operant behavior d. reinforcer behavior