Quiz: Valid Method vs Reliable Method
GCSE AQA Combined Science: Trilogy — 8464
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Welcome back! You've already learned about writing hypotheses, identifying variables, and choosing precise apparatus. Now, let's focus on how to ensure methods in experiments are both **valid** and **reliable**.
What does it mean if a method is valid?
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A reliable method produces the same {{blank0}} when repeated under the same conditions.
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Which of the following would make a method more reliable? (Select all that apply)
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Match the items on the left with their correct pairs on the right
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If a student gets very different results each time they repeat their experiment, what does this suggest?
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Match the items on the left with their correct pairs on the right
Which of the following could make a method invalid? (Select all that apply)
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To ensure a method is valid, you must identify and control all {{blank0}} variables.
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Why is it important to use a large sample size in an experiment?
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