On complex reaction-time tasks, response time
A) decreases gradually from the early forties into the nineties.
B) increases steadily from the early twenties into the nineties.
C) remains the same throughout the lifespan.
D) remains the same throughout early and middle adulthood and then gradually increases.
B
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Which statement accurately summarizes the results of studies comparing tool use in 2-year-old children and chimpanzees who both watched a human model using a tool either efficiently or inefficiently?
A) Only the toddlers learned tool use by observation. B) Both the toddlers and the chimpanzees learned tool use, but all participants were markedly inefficient. C) Chimpanzees who watched an efficient human model outperformed toddlers who watched an inefficient human model. D) Toddlers who watched an efficient human model outperformed chimpanzees who also watched an efficient human model.
Compared to children in other countries, how is the nutrition of children in the United States?
a. worse than in many other countries b. better than in many countries, with few children experiencing poor nutrition. c. better than in many other countries, although poor children in the U.S. tend to have poor nutrition. d. the U.S. is on an equal basis with most other countries
According to Rogers, children learn that certain conditions (________) exist that are the
criteria others use for their expression of positive regard. a. value hierarchies b. need hierarchies c. value conditions d. conditions of worth e. actualizing factors
Which racial and ethnic group of students reported being most likely to use condoms?
a. Hispanic Americans b. Asian Americans c. African Americans d. Whites