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Volgvan
3 years ago
6

In a controlled experiment, ________.

Social Studies
1 answer:
NISA [10]3 years ago
6 0

Answer:

D. the researcher controls for the effects of all variables except one.

Explanation:

Controlled experiment refers to an empirical test that is manipulated directly by a scientist to test a single variable at one point in time. The testing variable is the independent variable which is manipulated to see the effects on the system under observation. To minimize the effects of controlled variable on the subject, the controlled variables are controlled accordingly.

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