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20 August, 03:22

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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Answers (1)
  1. 20 August, 03:48
    0
    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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