The shape of which of the following is determined by degrees of freedom?

a. z-distribution
b. t-distribution
c. F-distribution
d. both b) and c)
e. Degrees of freedom does not determine the shape of any distribution.


Ans: d

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Most special education students are initially identified through which of the following?

a. Academic failure b. Intelligence tests c. Tests of perceptual–motor abilities d. Hearing tests

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What is the best way to have successful classroom management?

a. Successfully deal with problems when they arise b. Properly manage the classroom in order to prevent misbehavior before it occurs c. Take an active listening course d. Properly follow up after a problem arises

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The larger the level of confidence, the ______ precise the interval estimate.

A. more B. less

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What is a characteristic of a quality early childhood curriculum?

a. Teacher- centered
b. Student-centered
c. Constructivist
d. Differentiated

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