Which kind of hypothesis states that no effect will occur in a study or that no difference between variables or groups will be found?

a. Null hypothesis
b. Nonnull hypothesis
c. Directional hypothesis
d. Nondirectional hypothesis


Ans: A

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Authentic assessments measure

a. the applications of knowledge. b. the student's performance on a contrived task. c. typical classroom performance. d. academic achievement as compared to other students of the same age and grade.

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Children with Rett syndrome are also frequently hearing impaired

Indicate whether the statement is true or false.

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In writing about interpretive biography, Denzin (1989) advances that preoccupation with method, validation, reliability, generalizability, and theoretical relevance must be set aside in favor of a concern for and .

What will be an ideal response?

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A variable is normally distributed with a hypothesized population mean of 40 and a standard deviation of 8. What percentage of scores are less than 46?

a. 77.34% b. 75.00% c. 27.34% d. 22.66%

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