The statement “µ ? 3” would be part of a ______.

a. non-directional alternative hypothesis
b. directional alternative hypothesis
c. non-directional null hypothesis
d. directional null hypothesis


a. non-directional alternative hypothesis

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A(n) ____________________ could be the first step in getting families involved in math and science

Fill in the blank(s) with the appropriate word(s).

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When designing the space for children with special needs, early learning professionals must consider all of the following except

a. helping children learn to play with toys and materials when needed. b. selecting toys and materials that appeal to children. c. adapting toys and materials where needed. d. providing play materials that engage children in playing and learning on their own.

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An ecological ceiling refers to an instructional limit in the environment

Indicate whether the statement is true or false

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Which of the following nonparametric tests is used to answer the following research question: “Is preschool twice as effective as no preschool experience for helping develop children’s language skills?”

a. McNemar b. Fisher’s exact c. Chi-square one-sample test d. Wilcoxon rank test

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