Differentiation of cells begins
a. during the period of the embryo. c. during the period of the zygote.
b. during the period of the fetus. d. at birth.
c
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In a longitudinal study of the effects of prenatal exposure to alcohol, what was one of the findings?
a. By 4 years old, the negative effects of exposure to alcohol were no longer observed. b. Children who had been exposed to alcohol prenatally were delayed in motor development. c. A positive family environment could not compensate for the negative effects of alcohol exposure. d. There were no enduring effects of alcohol for women who consumed 1 to 2 ounces per day.
Fed up with his son not cleaning around the house, Jack buys a book called Shape Up, which instructs the reader to implement the operant conditioning technique of shaping. According to the book, Jack will want to
A. reinforce successive approximations of the desired response. B. utilize a mixture of punishment and reinforcement. C. pair an unconditioned response with a conditioned one. D. reward his son only after the final desired response is performed.
With age, ships in the social convoy __________
A) increase in number B) increase in size C) exchange places D) decrease in importance
As Marla sat at her desk at work, two of her colleagues decided to play a pornographic video on social media. This is likely an example of __________.
A. sexual orientation B. sexual assault C. sexual harrassment D. coming out