Designing investigations (AQA GCSE Statistics): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
What is a key factor in designing an investigation?
What is a key factor in designing an investigation?
Balancing practical limits with reliable data collection.
How do time and budget affect your investigation?
How do time and budget affect your investigation?
They influence sample size and data collection methods.
Why is ethical responsibility important in research?
Why is ethical responsibility important in research?
It ensures respect for participants' dignity and rights.
What should you do to maintain confidentiality?
What should you do to maintain confidentiality?
Securely store personal information and data collected.
How can local data collection introduce bias?
How can local data collection introduce bias?
It may exclude certain groups from your sample.
What is a pilot survey used for?
What is a pilot survey used for?
To test response rates and identify potential issues.
How do you calculate needed surveys from pilot data?
How do you calculate needed surveys from pilot data?
Use response proportion to estimate total surveys needed.
What is the response proportion formula?
What is the response proportion formula?
Responses received ÷ surveys sent.
Why choose questionnaires for sensitive topics?
Why choose questionnaires for sensitive topics?
They can feel more anonymous, encouraging honesty.
What should you ensure when calculating sample sizes?
What should you ensure when calculating sample sizes?
Always send more surveys than your target responses.