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

The null hypothesis for the paired-samples t test states that the posttest value will statistically exceed the pretest value.


Ans: F

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Refer to Exhibit 10-9. Students falling below the 10th percentile on a reading achievement test later receive higher scores on a similar test; students above the 90th percentile receive lower scores on the second test administration

a. experimental mortality b. reactive effect of testing c. statistical regression d. maturation e. instrumentation

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Children's earliest questions are usually

a. yes/no questions b. statements with rising intonation c. wh-questions d. both a and c

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What additional supports does Tier 2 offer?

What will be an ideal response?

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A breakdown in intervention fidelity creates threats to the validity of a study.

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

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