Roberto and Claudia's high level of responsivity to their baby's persistent crying demonstrates what type of influence on the child's development?
A. genetic
B. environmental
C. maturation
D. social
B. environmental
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Warren works at a car dealership. He likes to quote customers the inflated retail price of the car before lowering it to the sale price. He finds that this strategy leads to more sales. On average, about 1 in 10 customers buy a car from Warren, although Warren has no real way of predicting which customers will decide to purchase a car. Warren is using the _____ sales technique, and his behaviour
is reinforced according to a _____-ratio schedule. A) foot-in-the-door; fixed B) foot-in-the-door; variable C) door-in-the-face; fixed D) door-in-the-face; variable
During the day, Edward feels groggy and disjointed. As a result, he finds it difficult to focus on his job. However, when he tries to go to sleep at night, he finds it difficult to fall asleep. When he is able to fall asleep, he wakes up repeatedly throughout the night. If this persists, Edward may be experiencing
A. insomnia. B. sleep apnea. C. narcolepsy. D. sleep terror disorder.
Biographical data are ______ trustworthy than longitudinal data and ______ trustworthy than cross-sectional data
a. less; less c. more; less b. less; more d. more; more
Which of the following structures is most similar in function to a filtering system in the engine of a car that moves gas from the gas tank, filters impurities out of it, and delivers it to the carburetor?
a. the amniotic fluid b. the amniotic sac c. the placenta d. the embryonic disk