Events or influences other than the experimental treatment itself may occur between a pretest and a posttest that may affect the dependent variable. This threat is called

a. mortality.
b. history.
c. regression.
d. diffusion.
e. Hawthorne effect.


B

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

Nonresponse bias occurs when participants who choose not to complete a questionnaire or specific items on a questionnaire are different from those that do respond to the survey.

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Frederich Froebel was

a. the father of the modern-day kindergarten. b. a fighter in the War Against Poverty in the 1960s. c. the German philosopher, scientist, and educator who created Waldorf education. d. the creator of the movement known as progressive education.

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Teresa Orlando, a seventh grade teacher sat down with her student Kevin asking him to explain to her how he would be able to determine which brand paper towels was best. He explained to her how he would conduct an experiment controlling as many variables as possible and only manipulating the brand of paper towels he tested. As he spoke she took detailed notes of his explanation. The form of

assessment Teresa used can be called: A) Summative. B) Reflective. C) Formative. D) More than one of the above. E) None of the above.

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Which type of toys do children with cognitive delays often prefer?

A. ones that can be manipulated B. ones that encourage use of imagination and creativity C. ones that encourage social interactions D. ones that use role-taking abilities

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