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kondor19780726 [428]
3 years ago
14

In an experiment to test a new drug’s effectiveness, one group is given a larger dosage than is typically prescribed, and a seco

nd group is given a smaller dosage than is typically prescribed. Then, the results of the groups are compared to each other. What is missing that would improve this scientific design?
Biology
2 answers:
Jet001 [13]3 years ago
8 0
A control group that's given a placebo
Andreyy893 years ago
6 0

Answer:

The correct answer will be- control samples.

Explanation:

A scientific experiment is performed to test the proposed hypothesis because on the basis of results the hypothesis could be proved and disproved.

The experimental design must contain two types of experimental samples: the samples on which the experiments are performed called "experimental samples" and the samples which act as a reference to the experimental samples called "control samples" as they lack the variable to be studied.

In the given question, the statements provide the clue that the experiment is performed on the experimental samples whereas the control sample on which the variable to be studied is missing.

Thus, control samples are the correct answer.

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