The statement µ < 10 is an example of a ______.

a. directional (one-tailed) alternative hypothesis
b. directional (one-tailed) null hypothesis
c. non-directional (two-tailed) alternative hypothesis
d. non-directional (two-tailed) null hypothesis


a. directional (one-tailed) alternative hypothesis

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Research by Rose (2011) found that typically developing children regularly include children with disabilities in play groups

a. True b. False Indicate whether the statement is true or false

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Refer to Exhibit 10-7. The experimental group had a higher learning/growth rate than the control group even before the experiment began

a. Instrumentation b. Experimental mortality c. Selection-maturation interaction d. Statistical regression e. Diffusion

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Advance organizers may be used to fulfill which purpose of a planned beginning?

a. To focus student attention on the lesson b. To establish expectations for what is to be learned c. To motivate students to become involved in the lesson d. To relate students' prior knowledge to the new material to be learned

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Charles has 12 apples. He gave 1 apple to Beth. How many apples does Charles have left? This story problem can be expressed by which math sentence?

a. ___-12 = 1 b. 1x12= ___ c. 12-1=___ d. 12x = 1

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