The amniotic fluid
A) delivers food and oxygen to the developing organism.
B) helps keep the temperature of the prenatal world constant.
C) delivers nutrients and removes waste products.
D) produces blood cells until the organs are mature enough to take over this function.
B
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According to Vygotsky, if a child receives assistance, she or he may improve substantially more than another child who does not receive help. The assistance or structuring provided by others is what Vygotsky called __________.
A. successive approximations B. scaffolding C. scripting D. mentoring
Which of the following pairs of siblings is most likely to have the closest, warmest relationship?
a. Yarone is 13 years old, and his younger sister Shayla is 8 years old b. Tiffany is 5 years old and her younger brother Tajuan is 4 years old. c. Marquis is 9 years old and is very laid back, and his brother, Lanom, is 7 years old. d. Jack and his sister Jill are fraternal twins, and where Jack is very mellow his sister tends to be very emotional.
The first African American to earn a Ph.D. in psychology was ____.?
a. ?Bond b. ?DuBois c. ?Clark d. ?Sumner e. ?Howard
Before running an experiment, we decide to calculate power. We find that the power equals .95. What conclusion can be made?
a. We should not run the experiment. b. 95% of the time, we will not find a significant result. c. We should run the experiment. d. We need 95 subjects to find a significant result.