At the heart of mathematics is reasoning and:

a. seriation
b. classifying
c. counting
d. problem solving


ANSWER: d

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What will be an ideal response?

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Answer the following statement(s) true (T) or false (F)

If you want to obtain shallow opinions from a very large number of informants, you would choose in-depth interviews. True or False?

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Is it important to follow up on those persons in a survey who did not return questionnaires mailed to them?

A. Yes, because descriptive statistics require a large sample. B. Yes, because the sample that has already returned the questionnaire may be biased. C. No, because such delayed returns would be of doubtful value. D. No, because high precision is not needed in questionnaire surveys.

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It is important to maintain a strict code of ____________________ when observing a child

Fill in the blank(s) with correct word

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