The Sign Test (OCR A-Level Psychology): Quizzes
📚Quizzes
Practise the questions
15 questions from this quiz
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Practise the questions
15 questions from this quiz
What level of data is required for the sign test?
What level of data is required for the sign test?
Nominal
Which experimental design is appropriate for the sign test?
Which experimental design is appropriate for the sign test?
Repeated measures or matched pairs
In the sign test, how is the calculated S value determined?
In the sign test, how is the calculated S value determined?
The lower of the positive/negative signs
For significance in the sign test, the calculated S must be what compared to the critical value?
For significance in the sign test, the calculated S must be what compared to the critical value?
Equal to or less than
What data level does the Wilcoxon T test require?
What data level does the Wilcoxon T test require?
Ordinal with related design
For the Wilcoxon test, when is the result significant?
For the Wilcoxon test, when is the result significant?
When observed T ≤ critical value
What type of design does the Mann-Whitney U test use?
What type of design does the Mann-Whitney U test use?
Unrelated (independent groups)
For Mann-Whitney, when is significance achieved?
For Mann-Whitney, when is significance achieved?
When U ≤ critical value
What makes parametric tests 'powerful'?
What makes parametric tests 'powerful'?
They use actual scores not ranked scores
What is the essential criterion for parametric tests?
What is the essential criterion for parametric tests?
Data must be interval level
For the unrelated t-test, how does significance work?
For the unrelated t-test, how does significance work?
Observed t ≥ critical value
What is the df calculation for the related t-test?
What is the df calculation for the related t-test?
N - 1
What data level does Pearson's R test require?
What data level does Pearson's R test require?
Interval
What level of data is needed for Spearman's Rho?
What level of data is needed for Spearman's Rho?
Ordinal
What data level and design does chi-squared require?
What data level and design does chi-squared require?
Nominal with unrelated design