Repeatability and Reproducibility Flashcards

1️⃣ Familiarise yourself with the flashcards:

  • Look through all the flashcards to see what's on both sides.
  • Make sure you understand the information on each card. If something's unclear, click the link to the revision notes at the bottom of the page for more details.

2️⃣ Test yourself:

  • Look at the question or prompt on each card and try to remember the answer before flipping it over.
  • Check the answer and make a note of any cards you find challenging and need to go over more.

3️⃣ Consistently Review and Practice:

  • Use spaced repetition: spend more time on the cards you struggle with and go over them more often.
  • Regularly review all the flashcards to help you better understand and retain the information over time.

Note: We may include questions that have multiple correct answers. It's useful to remember specific examples to understand these concepts better.

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In science, what does it mean if a result is repeatable?

It means the same person gets similar results when they repeat the method using the same equipment.

In science, what does it mean if a result is reproducible?

It means a different person or team gets similar results when they use the same method or a different method.

What is the main difference between repeatability and reproducibility?

Repeatability uses the same person, method and equipment. Reproducibility uses a different person or different method or equipment but gives similar results.

How can you test if your results are repeatable in a school experiment?

Repeat each measurement several times yourself, using the same method and equipment, and check that the readings are close together.

How can you test if your results are reproducible?

Ask another person or group to do the experiment, or use different equipment, and see if they get similar results to you.

Why do scientists repeat measurements in an investigation?

Repeats reduce the effect of random errors and make the final result more trustworthy.

What is an anomalous (odd) result and how do repeats help spot it?

An anomalous result is one that does not fit the pattern. When you repeat readings, odd results stand out because they are very different from your other values.

Why do scientists calculate a mean (average) from repeat readings?

They add the repeat readings together and divide by how many there are. This mean value is less affected by random errors than a single reading.

How can you tell from a table of results that measurements are repeatable?

For each test, the repeat readings are very similar to each other, with only small differences between the numbers.

Why is it important that scientific results are both repeatable and reproducible?

If results can be repeated by you and reproduced by others, it shows the findings are reliable and not just due to luck or a one-off mistake.

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