choosing a statistical test Flashcards
1
Q
what are the two related designs ?
A
matched pair and repeated measures
2
Q
what are the unrelated design ?
A
independent group design
3
Q
statistical test
A
used in psychology to determine whether a significant difference or correlation exists
4
Q
acronym for choosing statistical test :
A
carrots should come mashed with swede under roast potatoes
5
Q
what are the three factors to consider when choosing a statistical test ?
A
- difference or correlation ?
- type of experimental design
- level of measurement ( nominal, ordinal or interval data ?)
6
Q
which tests need to be less than critical value in order to be statistically significant ?
A
sign test
wilcoxon
mann whitney
7
Q
which tests need to be greater than critical value in order to be statistically significant ?
A
repeated t test unrelated t test pearson's r spearman's rho chi - squared