Mortality threatens external validity. Why?

A. Because the estimate of the correlation is very accurate.
B. Because the estimate of the correlation is inaccurate.
C. Because one variable is measured more precisely than the other.
D. Because each variable is measured randomly.


Answer: B

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Who describe(s) how initial attempts at reflections may be more descriptive than reflective?

a. Schon (1983) b. Hatton and Smith (1995) and Moon (2001) c. Hatton and Smith (1995) d. Moon (2001)

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The physical action of orally producing words through the complex interaction of respiration, phonation, and articulation is known as

a. speech. b. language. c. communication. d. conversation.

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What is the average amount of learning time needed by a typical emergent leaner to develop phonological awareness?

a. ten hours per week b. twenty hours per week c. during the entire literacy block in a school day d. None: children learn it through casual conversation.

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Antecedents which may trigger student misbehavior include:

a. poor or deficient communication skills b. mobility challenges and poor ambulation c. lack of familiarity with a clear routine and lack of positive reinforcements d. social isolation and limited access to a limited number of activities e. all of the above

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