Lesson 10 - Statistical Tests Flashcards
What are the 5 non-parametric tests?
Chi squared Spearman’s Rho Mann Whitney Wilcoxon Sign Test
What are the 3 parametric tests?
Pearson’s r
Related t-test
Unrelated t-test
What is a parametric test?
More robust
More powerful
Rely on actual data, not just on examining the rank order of data
More likely to detect if data is actually statistically significant
What are the 3 factors that mean a parametric test can be conducted?
Data must be interval
Data collected should be taken from a population that shows a normal distribution curve instead of a skewed distribution.
The data should have a similar spread of scores
Describe the table to decide which statistical test to use?
Paper
When do you use the Sign test?
Related measures/matched pairs design
data
Non-parametric test