Tris142566 Tris142566

22-03-2016
Biology

contestada

The presence of which feature in a study is sufficient to classify it as experimental?
A) a control group
B) a random sample
C) none of the features
D) quantitative variables

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mariagsa mariagsa

23-03-2016

Most experiments contain A. a control group. so I think that is the correct answer
B. Can be in an experiment but not always.
c. means nothing
d. Can be in an experiment but not always

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