Multiple Choice
All of the following are methods for controlling the effects of extraneous variables in experiments except
A) if practical, hold such extraneous variables constant
B) assign treatments to test units randomly
C) use experimental designs that control for the effects of extraneous variables
D) eliminate the effect of extraneous variables on test units
Correct Answer:
Verified
Correct Answer:
Verified
Q62: Identify the three pre-experimental designs and the
Q63: The _ design controls for all extraneous
Q64: In a Solomon four-group experimental design,all extraneous
Q65: If physical control,randomization,and research design features do
Q66: Compare and contrast laboratory experiments and field
Q68: Due to relationships among variables caused by
Q69: If physical control,randomization,and design features do not
Q70: The _ effect is concerned with the
Q71: The measures taken on the test units
Q72: The one-group pre-test-post-test design is represented symbolically