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The effect of wearing different types of running shoes on the time it takes to complete a race is being studied in an experiment. Using the same course for each runner is an example of which experimental design principle?

2 Answers

7 votes

Answer:

direct control

Explanation:

i just took the test UwU

User Vbezhenar
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3 votes

Answer:

Direct contr

Explanation:

I took the test and the guy who said replication was wrong. He cost me a point

User Stackover
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