Multiple choice

Which of the following would make the results of an experiment more reliable?

  1. Changing the procedure

  2. Repeated/Multiple trials

  3. Multiple variables

  4. Change the hypothesis
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Conducting multiple trials helps reduce the impact of random errors and anomalous results, making the overall data more reliable. Changing variables or procedures mid-experiment would invalidate the test.

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