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
Education
You might also like to view...
Which of the following is not possible in ex post facto research?
a. Measurement b. Observation c. Random sampling d. Random assignment e. Selection
Education
Students should not be allowed to use cellular phones while in the classroom
Indicate whether this statement is true or false.
Education
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.
Education
Attributing specific characteristics to a group without any factual data creates a ___________
Fill in the blank(s) with the appropriate word(s).
Education