Which of the following is NOT possible in causal-comparative research?

A. measurement
B. random assignment to treatment or comparison groups
C. the use of comparison groups
D. observation


Answer: B

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________ syndrome is a rare genetic disease that occurs in about 1 in every 20,000 births and is characterized by an

absence of genetic material on the seventh pair of chromosomes. a. Williams b. Down c. Fragile X d. All of the answers are correct.

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The external environment is just as influential on motor skill development as a child's inherent propensity toward development

Indicate whether the statement is true or false

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Effective classroom management should rely on

a. calm and silence. b. fear and subordination. c. orderliness and control. d. warning and punishment.

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At lower grade levels, there is usually a gap between children's listening comprehension and their reading comprehension

Indicate whether the statement is true or false

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