Fetal movements are first felt by the mother and the fetal heartbeat can be heard at
a. three to four weeks.
b. 25 to 38 weeks.
c. one week.
d. 13 to 24 weeks.
D
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People who have a more _____ explanatory style recover more quickly from failure or negative life pressures
a. optimistic c. depressed b. exciting d. pessimistic
To determine the range in Excel, we can use the ______ and ______ functions to find the lowest and highest scores in a distribution.
A. high; low B. min; max C. mid; range D. min; range
Arthur saw a piece of gum on his shoe as he stepped up to the plate for his turn at bat. He tapped his shoe three times before the gum fell off, then he kicked the gum to one side. When the pitcher threw the ball, Arthur hit a home run. Now he ensures that he taps his shoe three times and kicks the ground once before every swing, and about 15% of the time he gets a hit. Based on what is known
about operant conditioning, you should conclude that Arthur's behavior best illustrates the concept referred to as: a. successive approximations b. classical conditioning c. adventitious reinforcement d. the Premack principle
The technology illustrated in this figure allows researchers to
A. research the magnetic output of the brain. B. research the electrical output of the brain. C. identify areas of the brain that have been lesioned. D. identify the effects of magnetic stimulation of the brain.