Kevin Is Just Learning to Walk

question 124

Multiple Choice

Kevin is just learning to walk.He can take a few steps by himself if he uses both hands to hold on to a piece of furniture for support.He can walk into the middle of a room only if one of his parents holds his hands.Which of the following represents the lower limit of Kevin's zone of proximal development (ZPD) for walking?

• A)Kevin learning to run after he has mastered walking by himself
• B)Kevin going back to crawling when he becomes frustrated trying to walk by himself
• C)Kevin walking alone by holding onto a piece of furniture with his hands
• D)Kevin learning to walk by having his parents hold one of his hands

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Definitions:

Test Statistic

A value calculated from sample data during a hypothesis test, used to make a decision about the null hypothesis.

P-Value

A statistical measure that helps to determine the strength of the results to support or reject the null hypothesis.

Null Hypothesis

A hypothesis that assumes there is no statistical significance in a set of given observations and that any observed difference is due to sampling or experimental error.

P-Value

The probability of obtaining test results at least as extreme as the results actually observed, under the assumption that the null hypothesis is true.