Random assignment of research participants to experimental and control groups guarantees that

a. the experimental and control groups are equivalent in all respects.
b. there is no systematic bias in the assignment of the participants to the two groups.
c. the experimental and control groups will have approximately the same mean scores on the posttests.
d. the experimental and control groups will have approximately the same mean scores on the pretests.


b

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Making entitlement decisions without testing is possible for many disability categories, but is perhaps most difficult with

A) ?specific learning disabilities. B) ?auditory disabilities. C) ?traumatic brain injuries. D) ?limited intellectual abilities.

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What is learned helplessness?

A. a reliance on one's teachers or peers to accomplish tasks B. a sense of doing things just "good enough" to get results C. a refusal to take responsibility for one's own actions D. a sense of powerlessness due to one's inability to produce results

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When problem solving, it is recommended that you:

a. abandon ideas that prove false, unrealistic, or impractical b. test all conclusions c. review the background of the problem d. All of these answers are correct.

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Teachers found that parents of children in impoverished schools __________

A) had little time to help their children B) needed sustained contact and specific directions C) were too overwhelmed to help their children D) were more willing to help their children than were middle-class parents

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