PAU Ciències Generals (UIB) Practice Questions - Balearic Islands PAU General Sciences Exam - Ciències Generals 2o Bachillerato UIB 2026 Exam

What is the primary purpose of including a control group in a scientific experiment?

To increase the sample size so that statistical calculations become easier. To ensure that all experimental subjects experience the maximum dosage of the treatment. To provide a baseline for comparison against which the effects of the experimental treatment can be isolated. To replace the need for repeating trials or measuring dependent variables.

Correct Answer:

To provide a baseline for comparison against which the effects of the experimental treatment can be isolated.

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