Choosing a Statistical Test (AQA A-Level Psychology): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What do statistical tests help researchers determine about their observed findings?
What do statistical tests help researchers determine about their observed findings?
If results are genuine or due to chance
Which THREE factors guide selection of an appropriate statistical test?
Which THREE factors guide selection of an appropriate statistical test?
Difference/correlation, design, data level
A study examines if stress levels relate to academic performance. Is this a difference or correlation?
A study examines if stress levels relate to academic performance. Is this a difference or correlation?
Correlation
What type of design uses the same participants in all conditions?
What type of design uses the same participants in all conditions?
Repeated measures
When testing for correlation, which factor becomes irrelevant?
When testing for correlation, which factor becomes irrelevant?
Experimental design
Which feature characterises nominal data?
Which feature characterises nominal data?
Data appears as frequencies in categories
What is ordinal data sometimes called due to its lack of precision?
What is ordinal data sometimes called due to its lack of precision?
Unsafe data
Which type of data is required for parametric statistical tests?
Which type of data is required for parametric statistical tests?
Interval data
Which test is used for ordinal data with a related design when testing for differences?
Which test is used for ordinal data with a related design when testing for differences?
Wilcoxon
Why are parametric tests considered superior when their assumptions can be met?
Why are parametric tests considered superior when their assumptions can be met?
More powerful & sensitive to detect effects