A researcher might use matrix sampling when

a. the number of non-respondents is large.
b. simple random sampling is not feasible.
c. the instrument contains a heterogeneous collection of items.
d. the instrument contains a large number of items.


D

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Discuss the benefits of using a problem-solving approach to mathematics instruction

What will be an ideal response?

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When planning outdoor games it is important to keep a wide repertoire because

A. The instructor will not teach enthusiastically if they are bored B. Children will tire of the same games repeated C. The children have already played the games in school all day D. Some games go out of date and cannot be used

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In which of the major content areas typically covered in questionnaires and interviews would you expect to obtain the most valid answers from respondents?

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According to the text, tools for note taking are worthless unless you:

a. ?Participate as an energetic observer in class b. ?Review your notes after class c. ?Both a and b d. ?None of the answer choices?

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