| Class Summary | 
| AbstractModel | The AbstractModel containts a PropertyChangeSupport and a handling for
 setting and getting the saved state of the model. | 
| Item | The Item class support exactly one item and will be stored in the
 Questionnaire's items ArrayList. | 
| ItemData | This represents Data for one Item, for one elicitation. | 
| MethodProvider | The MethodProvider provides the elicitation methods. | 
| Person | A Person is a subject which can do the runnable questionnaire. | 
| QData | The Questionnaire Data (QData) object represents the data of the
 questionnaire and is attached to the questionnaire. | 
| Questionnaire | The questionnaire. | 
| RunLogger | DOCUMENT ME! | 
| RunnableQuestionnaire | The RunnableQuestionnaire is a copy of the questionnaire and is thought
 to run for the user. | 
| Settings | Settings is a general useable modell for handling settings. |