| Article ID: | iaor201522360 |
| Volume: | 36 |
| Issue: | 1 |
| Start Page Number: | 23 |
| End Page Number: | 26 |
| Publication Date: | Mar 2014 |
| Journal: | Teaching Statistics |
| Authors: | Ekstrm Claus Thorn |
| Keywords: | graphical methods, validation |
Graphical model validation techniques for linear normal models are often used to check the assumptions underlying a statistical model. We describe an approach to provide ‘instant experience’ in looking at a graphical model validation plot, so it becomes easier to validate if any of the underlying assumptions are violated.