Roughly all of the z-scores in the standard normal distribution are with in ______ standard deviations of the mean.

a. ±1
b. ±1.96
c. ±2
d. ±3


d. ±3

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From a neoconstructivist point of view, learning and development are:

a. based on the acquisition of key coding systems. b. genetically pre-programmed. c. interrelated but different. d. primarily computational.

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In a single-subject design, the ________________ variable is used to determine the changes in the target behavior.

A. dependent B. independent C. extraneous D. confounding

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What is a coding variable?

A. A coding variable uses numbers to represent different groups of data. B. A coding variable is used to disguise the purpose of the experiment from the participant. C. A coding variable is used in repeated-measures designs. D. A coding variable is used to randomly assign each participant a unique code to protect their identity.

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Play offers an opportunity to respect cultural diversity. The teacher needs to:

A) formally teach cultural differences before play begins B) provide varied materials and books representing different cultures for children to explore C) refrain from learning too much about a culture to avoid influencing the play D) formally introduce children from other cultures into the classroom

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