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Data handling and analysis

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Question 12

Table 1 Mean number of seconds taken to recall 20 words and the standard deviation for both conditions

	Condition A (without mnemonic)	Condition B (with mnemonic)
Mean recall time (s)	148	112
Standard deviation	15.2	18.6

Calculate the percentage decrease in the mean time it took participants to recall the words when using the mnemonic technique. Show your workings. Give your answer to three significant figures.

[4]

Markscheme

Data handling and analysis Questions

A Level
Psychology
Data handling and analysis

235 exam-style questions on AQA A Level Psychology Data handling and analysis. Each one has a worked solution and a mark scheme showing where the marks go.

Data handling and analysis

Question bank

Data handling and analysis

Easy Medium

Question 12

Table 1 Mean number of seconds taken to recall 20 words and the standard deviation for both conditions

	Condition A (without mnemonic)	Condition B (with mnemonic)
Mean recall time (s)	148	112
Standard deviation	15.2	18.6

Calculate the percentage decrease in the mean time it took participants to recall the words when using the mnemonic technique. Show your workings. Give your answer to three significant figures.

[4]

Markscheme

Data handling and analysis Questions

A Level
Psychology
Data handling and analysis

235 exam-style questions on AQA A Level Psychology Data handling and analysis. Each one has a worked solution and a mark scheme showing where the marks go.