Choosing a Statistical Test (AQA A-Level Psychology): Flashcards

Analyze if findings are significant or due to chance

Result unlikely to occur by chance alone

Difference/correlation, design, measurement level

Categories/labels where items belong to one group only

Rankings with unequal intervals between positions

Numerical scales with equal, standardised units

Repeated measures and matched pairs

Require interval data, more powerful & sensitive

Nominal data, always unrelated/independent

Ordinal data, unrelated design, testing differences