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Justin designed an experiment to find out how running up bleachers affects his heart rate. First he records his resting heart rate and then runs up the bleachers 10 times. Each time he reaches the top, he records his heartrate then rests 20 minutes.

Which is involved in Justin's experiment?

replication
repetition
both repetition and replication
neither repetition nor replication

Respuesta :

Answer:

I believe it's only repetition which is doing the experiment over and over again.

Explanation:

Replication on the other hand would be if he was repeating some one else experiment with the same guidelines.
replication is the answer that i got

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