A ______ is a statement about an expected outcome or relationship involving population parameters.

a. null hypothesis
b. statistical hypothesis
c. sampling error
d. alternative hypothesis


b. statistical hypothesis

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Many parents choose family child care. List some of the reasons for this popularity

What will be an ideal response?

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Refer to Exhibit 5-3. There is a positive relationship between teachers' expectations of students and the actual achievement of the students

a. adequate hypothesis b. inadequate, not testable c. inadequate, no statement of relationship d. inadequate, not consistent with the existing body of knowledge

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Opening exercises in an elementary classroom usually require

A. 5 minutes. B. 10 minutes. C. 15 to 20 minutes. D. 20 to 30 minutes.

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The development of language has an impact on other cognitive processes such as memory and problem solving

a. True b. False

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