The difference, 02 - 01, in the one group pretest-posttest design is a measure of
A) E + U.
B) E + U + I.
C) U + I.
D) only I.
E) none of the above.
Correct Answer:
Verified
Q34: The most acute problem with extraneous sources
Q35: The three common types of experimental designs
Q36: Which of the following is TRUE?
A) In
Q37: A single group of test units is
Q38: The one-group pretest-posttest design
A) can be diagrammed:
Q40: A key feature of the static-group comparison
Q41: Static group comparison
A) describes a design in
Q42: The main sources of error in a
Q43: In a before-after with control group design
A)the
Q44: Which of the following is TRUE?
A)Random assignment
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