Methods (Edexcel A-Level Psychology): Flashcards
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Practise the cards
10 cards from this deck
Chi-squared test data type
Chi-squared test data type
Nominal/categorical data
What chi-squared test examines
What chi-squared test examines
Association or difference between independent groups
Chi-squared formula
Chi-squared formula
χ² = Σ(O - E)² / E
O in chi-squared formula
O in chi-squared formula
Observed frequency
E in chi-squared formula
E in chi-squared formula
Expected frequency
Expected frequency formula for chi-squared
Expected frequency formula for chi-squared
(row total × column total) / overall total
Degrees of freedom formula for chi-squared
Degrees of freedom formula for chi-squared
(rows - 1) × (columns - 1)
Chi-squared significance criterion
Chi-squared significance criterion
Observed value ≥ critical value
Design type required for chi-squared
Design type required for chi-squared
Independent measures design
Chi-squared data organisation structure
Chi-squared data organisation structure
Contingency table