Repeating an experiment several times and calculating a mean improves what?
Answer and explanation
Correct answer: C. Reliability
- Step 1: Repeats reduce the effect of random errors.
- Step 2: More repeats increase the reliability of results.
Answer
Reliability.
Why not the others: Validity: this relates to testing the right factor. Hypothesis: this is a prediction. Variable: this is a factor that can change.
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