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29 December, 19:12

A student states that exercise will affect the number of times a person can squeeze a clothespin in a certain amount of time. An experiment is carried out to test this hypothesis. A group of 10 students sits quietly before squeezing a clothespin as many times as possible during a time period of 1 minute. A second group of 10 students does 25 jumping jacks before squeezing a clothespin as many times as possible during a time period of 1 minute.

What is the dependent variable in the experiment described above?

Question 1 options:

A. Type of exercise

B. Number of times a person can squeeze a clothespin

C. Number of students in each group

D. Amount of time spent exercising

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Answers (1)
  1. 29 December, 19:29
    0
    B. Number of times a person can squeeze a clothespin

    Explanation:

    Hello,

    Since the idea is to detect the effect of the previous exercise on the number of times a person can squeeze a clothespin and this is done by setting a specific time of 1 minute (a controlled variable) and subsequently record the times, one can state that the times the clothespin is squeezed depend both on the type of exercise and the time, thus those times turn out into the dependent variable.

    Best regards.
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