According to Piaget, what would be the best way to teach children in kindergarten about the mathematical concept of addition:
a. Explain to them in words how addition problems should be solved and then ask them to explain back to you in their own words.
b. Give them objects, such as blocks, to manipulate so they can see how moving blocks from one pile to another represents changes in number (e.g., addition).
c. Read stories about math problems to them to enhance their motivation to learn mathematical concepts.
d. There is no good way to teach children in the preoperational stage about mathematics because this topic requires the ability to understand reversibility, which develops later.
b
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Suppose that a woman has an injured visual cortex, as the result of an accident. She says that she cannot see a light, which is presented on her left side. However, she accurately points to the light's location. She is demonstrating
a. change blindness. b. the ironic effects of mental control. c. selective attention. d. blindsight.
Data on how high a sample of professional basketball players can jump would be summarized using
a. the median and standard deviation. b. the mean and sample standard deviation. c. the mean and estimated population standard deviation. d. the mean and variance.