6 Inferential Stats Flashcards
1
Q
Descriptive stats
A
Describe and summarises the sample data.
Includes
🔸measure of central tendency
🔸measures of dispersion
2
Q
4 mains issues to consider when choosing the right statistical test?
A
- Association or difference?
- No of independent variables
- No of exp conditions
- Parametric or non?
3
Q
Conditions to meet to use a parametric test
A
🔸 data is normally distributed
🔸 data is interval/ratio (scale)
🔸 data is large (n=30+)
4
Q
Pros of parametric tests?
A
They are tests of choice.
They are more sensitive and are more likely to pick up a significant difference.
5
Q
Cons of parametric tests?
A
Increased chance of type 1 errors in small or skewed samples.
6
Q
What 3 values do we report w statistical tests?
A
🔸test value (t, F, or U)
🔸degree of freedom (df)
🔸P value