Question
Question Number 9 of 20 - 8th Grade Science
A student measured the power of a motor operating at different temperatures. The student recorded a total of 11 measurements, one at each 2 degree interval between 10°C and 30°C. Which change in the procedure would most improve the validity of conclusions based on this investigation?
f Decreasing the range of the independent variable
g Producing a graph of numerical observations
h Repeating the experiment several times
j Increasing the number of variables
A student measured the power of a motor operating at different temperatures. The student recorded a total of 11 measurements, one at each 2 degree interval between 10°C and 30°C. Which change in the procedure would most improve the validity of conclusions based on this investigation?
f Decreasing the range of the independent variable
g Producing a graph of numerical observations
h Repeating the experiment several times
j Increasing the number of variables
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GPT 3.5
h Repeating the experiment several times
By repeating the experiment several times, the student can ensure that the results are consistent and reliable, leading to more valid conclusions.
By repeating the experiment several times, the student can ensure that the results are consistent and reliable, leading to more valid conclusions.
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