We explore the concept of interaction styles used to navigate through hypermedia systems. A demonstrator was built to conduct a user study with the objective of detecting whether any interaction pattern exists in relation to input modality choices. Our lightweight server-side web demonstrator is able to adapt output modalities as a function of input received from the user. The interface and content displayed are built from predefined presentation schemes that attempt to optimize the user’s experience and website’s functionality. The results suggest that some levels of entrenchment do occur with reference to modality choices, with 45% of participants deviating from their preferred pattern in one or less interaction turns. Categories and Subject Descriptors H.5.4 [Hypertext/Hypermedia]: Navigation, User issues. H.5.2 [User Interfaces]: Interaction styles General Terms Performance, Experimentation, Human Factors. Keywords Multimodal interaction, user adaptive interfaces, web design.