A(n) ______ is a proposed mechanism to explain how something, usually more complex than the proposed mechanism, works.
A. assumption
B. model
C. construct
D. hypothesis
Answer: B
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At synapses, the cell that receives the message is called the presynaptic neuron
a. True b. False Indicate whether the statement is true or false
Language functions are housed primarily in the ____
a. left temporal lobe b. right temporal lobe c. frontal lobe d. occipital lobe
What happens after damage to the suprachiasmatic nucleus itself? a. Light no longer resets the biological clock, but the animal continues generating a 24-hour rhythm. b. Animals' activity patterns become less consistent and no longer respond to light and dark cycles. c. Animals lose their biological rhythms of temperature, but keep other circadian rhythms
d. Animals begin to maintain a constant level of activity throughout the 24-hour day.
Every time Harriet cried, her mother would immediately pick her up. Now Harriet is a real crybaby. Based on what is known about operant conditioning, you should conclude that for Harriet, being picked up acted as:
a. a negative reinforcer for crying b. a conditioned stimulus for crying c. an unconditioned stimulus for crying d. a positive reinforcer for crying