Statistical testing Flashcards
Definition: a way of determining whether hypotheses should be accepted or rejected. We can find out whether differences or relationships between variables are significant (meaningful) or are likely to have occurred by chance.
Statistical testing
Definition: (p) refers to the likelihood that certain events will occur
Probablility
Which statistical test?
1. Difference
2. Independent groups
3. Nominal data
Chi-squared test
Which statistical test?
1. Difference
2. Independent groups
3. Ordinal data
Mann Whitney U test
Which statistical test?
1. Difference
2. Independent groups
3. Interval/Ratio data
Un-related T-test
Which statistical test?
1. Difference
2. Repeated measures / matched pairs
3. Nominal data
Sign test
Which statistical test?
1. Difference
2. Repeated measures / matched pairs
3. Ordinal data
Wilcoxon sign test
Which statistical test?
1. Difference
2. Repeated measures / matched pairs
3. Interval/Ratio data
Related t-test
Which statistical test?
1. Relationship
2. Association / correlation
3. Nominal data
Chi-squared
Which statistical test?
1. Relationship
2. Association / correlation
3. Ordinal data
Spearman’s Rho Correlation
Which statistical test?
1. Relationship
2. Association / correlation
3. Interval/Ratio data
Pearson’s Correlation Coefficient
Calculated value </> critical value?
Chi-squared
>
- Greater than or equal to
Calculated value </> critical value?
Unrelated t-test
>
- Greater than or equal to
Calculated value </> critical value?
Related t-test
>
- greater than or equal to
Calculated value </> critical value?
Pearsons’ correlation coefficient
>
- Greater than or equal to
