Choosing a statistical test Flashcards
1
Q
Statistical tests
A
- used in psychology to determine if a significant difference or correlation exists
- if null hypothesis should be rejected or accepted
2
Q
Statistical tests
List
A
Chi-squared Mann-Whitney Pearson’s r Related t-test Sign test Spearman’s rho Unrelated t-test Wilcoxon
3
Q
Chi-squared
A
- test of difference or association/correlation
- nominal data
- unrelated design
4
Q
Mann-Whitney
A
- test of difference
- ordinal data
- unrelated design
5
Q
Pearson’s r
A
- test of association/correlation
- interval data
6
Q
Related t-test
A
- test of difference
- interval data
- related design
7
Q
Sign test
A
- test of difference association/correlation
- nominal/ordinal data
- related design
8
Q
Spearman’s rho
A
- test of difference
- nominal data
- unrelated design
9
Q
Unrelated t-test
A
- test of difference
- interval data
- unrelated design
10
Q
Wilcoxon
A
- test of difference
- ordinal data
- related design
11
Q
Factors to decide a statistical test
A
-Difference or correlation
-Experimental design
└related/unrelated
-Levels of measurement
└nominal, ordinal, interval
12
Q
Factors to decide a statistical test
Difference or correlation
A
-evident from hypothesis
13
Q
Factors to decide a statistical test
Experimental design
A
-related design
└repeated measures, matched pairs
-unrelated design
└independent groups
14
Q
Related design
Examples
A
- repeated measures
- matched pairs
15
Q
Unrelated design
Examples
A
-independent groups
