The Sign Test (OCR A-Level Psychology): Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
Data level used by Sign test
Data level used by Sign test
Nominal
Design required for Sign test
Design required for Sign test
Paired/related (repeated measures or matched pairs)
How to calculate S value in Sign test
How to calculate S value in Sign test
The lower of the number of positive or negative signs
Sign test significance rule (observed vs critical)
Sign test significance rule (observed vs critical)
Observed S must be equal to or less than critical value
Data level used by Wilcoxon T test
Data level used by Wilcoxon T test
Ordinal
Wilcoxon T test significance rule
Wilcoxon T test significance rule
Observed T must be equal to or less than critical value
Mann-Whitney U test: data level and design
Mann-Whitney U test: data level and design
Ordinal data with unrelated (independent) design
Mann-Whitney U significance rule
Mann-Whitney U significance rule
Observed U must be equal to or less than critical value
Key feature of parametric tests vs non-parametric
Key feature of parametric tests vs non-parametric
Use actual scores rather than ranked scores
Essential criterion for parametric tests
Essential criterion for parametric tests
Data must be interval level
Unrelated t-test: data level and design
Unrelated t-test: data level and design
Interval data with independent groups design
t-tests (related & unrelated) significance rule
t-tests (related & unrelated) significance rule
Observed t must be equal to or greater than critical value
Related t-test df formula
Related t-test df formula
N - 1
Pearson's R test data level
Pearson's R test data level
Interval level
Spearman's Rho test data level
Spearman's Rho test data level
Ordinal level