Which of the following types of attrition specifically poses no threat to the internal validity of a study because the attrition rates are the same in each group?
A. homogeneous
B. heterogeneous
C. homogeneous and heterogeneous
D. historical effects
Ans: A
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Which of the following is not possible in ex post facto research?
a. Measurement b. Observation c. Random sampling d. Random assignment e. Selection
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One of the best ways for teachers to address diversity is to:
A. cook foreign food in class. B. sing "Frere Jacques". C. create a curriculum theme about foreign countries. D. look for bias within themselves.
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Attributing specific characteristics to a group without any factual data creates a ___________
Fill in the blank(s) with the appropriate word(s).
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Students should not be allowed to use cellular phones while in the classroom
Indicate whether this statement is true or false.
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