NBPTS AYA Science Practice Questions - NBPTS Science Adolescence And Young Adulthood (Component 1 Content Knowledge) Exam

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A class repeats a measurement several times and calculates the mean. What is the main scientific purpose of repeated trials?

To guarantee the hypothesis will be supported To reduce the effect of random error and make the result more reliable To eliminate the need for units To make qualitative data quantitative

Correct Answer:

To reduce the effect of random error and make the result more reliable

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