When subjects are lost differentially from the experimental and control groups,any observed effect may be due to
A) mortality.
B) instrumentation.
C) diffusion of treatment.
D) history.
Correct Answer:
Verified
Q1: To say that an experiment contains a
Q2: When we can generalize from the sample
Q4: Changes that occur naturally in the subjects,over
Q5: In an experimental study of the effects
Q6: In an experimental study of the effects
Q7: Independent variable is to dependent variable as
Q8: A limitation in the ability to differentiate
Q9: Increasing the number of levels of the
Q10: Using the same subjects in each condition
Q11: Single-blind experiments help to control for _
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