Four-year-old Keyara is beginning to learn words and symbols. She is not yet able to generalize concepts or manipulate abstractions. According to Piaget, Keyara is in which stage of cognitive development?

a. sensorimotor
b. concrete operational
c. formal operational
d. preoperational
e. postoperational


ANS: D

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Name and define four of the social sciences

What will be an ideal response?

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Answer the following statement(s) true (T) or false (F)

Proportionate stratified random sampling is used only when an equal number of participants are selected to each strata or subgroup.

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Commercially produced reading programs which usually feature a textbook or anthology of stories as well as accompanying workbooks are referred to as

a) basal reading programs. b) literature focus units. c) thematic units. d) balanced literacy reading programs.

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To assess whether a test measures the instructional objectives of a course, one would most likely evaluate the test's:

A) internal consistency B) interrater reliability C) construct validity D) content validity

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