Paired Samples T-tests Flashcards
For within subject design
1
Q
What is a paired sample t test
A
used to compare means of two conditions (within subject or matched pairs design)
- they tell us the probability of getting a mean difference as large as you found or larger by chance
2
Q
What are the assumptions for a Paired Sample T test
A
data are interval or ratio
N of at least 12
differences are normally distributed
3
Q
What is the non parametric alternative for a Paired Sample T test
A
Wilcoxon Signed Ranks test
