Section 2
A Closer Look at Tests of Significance
Book
Version 1
By Boundless
By Boundless
Boundless Statistics
Statistics
by Boundless
5 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/18303/square/p-value-graph.jpg)
Was the Result Significant?
Results are deemed significant if they are found to have occurred by some reason other than chance.
![Thumbnail](../../../../../../figures.boundless-cdn.com/18305/square/errors.jpg)
Data Snooping: Testing Hypotheses Once You've Seen the Data
Testing hypothesis once you've seen the data may result in inaccurate conclusions.
![Thumbnail](../../../../../../figures.boundless-cdn.com/18302/square/p-value-graph.jpg)
Was the Result Important?
The results are deemed important if they change the effects of an event.
The Role of the Model
A statistical model is a set of assumptions concerning the generation of the observed data and similar data.
![Thumbnail](../../../../../../figures.boundless-cdn.com/18310/square/p-value-graph.jpg)
Does the Difference Prove the Point?
Rejecting the null hypothesis does not necessarily prove the alternative hypothesis.