Parametric Tests Flashcards
1
Q
What are parametric tests?
A
The related t test unrelated t test and pearsons r are collective known as parametric test. They are more robust and powerful that others
2
Q
What are the 3 criteria which must be met for parametric tests
A
Data must be interval
Data will be drawn from a population which would be expected to show a normal distribution
There should be a homogeneity of variance
3
Q
What is the probability we use?
A
0.05
4
Q
What are the advantages of parametric tests.
A
Use actual scores of data
More scientific
More scientifically robust
5
Q
What is the level of significance
A
0.05 - the probability that the observed effect has a 5% chance that results have occurred by chance