Multiple Choice
A researcher conducted an online study at the beginning of the semester. When the data were downloaded at the end of the term, she realized she had not included one of the experimental conditions, so she reopened the study and collected data from new participants. This procedure resulted in
A) a natural confound.
B) a treatment confound.
C) an artifact.
D) a measurement confound.
Correct Answer:

Verified
Correct Answer:
Verified
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