A researcher randomly assigns one classroom to a new teaching method and a second classroom to the control condition (the regular teaching method) .This researcher faces the potential problem of confounding due to
A) experimenter effects.
B) selective subject loss.
C) extraneous variables.
D) intact groups.
Correct Answer:
Verified
Q27: The three steps of data analysis are
A)check
Q28: Subject loss (attrition)poses a problem for a
Q29: If participants know they have been given
Q30: Placebo control groups and double-blind procedures are
Q31: An instructor randomly assigns two sections of
Q33: The characteristics of the participants tested in
Q34: The goal of a random groups design
Q35: The most common solution to the problem
Q36: In addition to creating groups of equal
Q37: A researcher has manipulated only one independent
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