Abstract Many researchers are thinking about the best way to insert ICT-devices. The model for task-specific motivation from De Brabander & Martens is a complete model that explains which...Show moreAbstract Many researchers are thinking about the best way to insert ICT-devices. The model for task-specific motivation from De Brabander & Martens is a complete model that explains which factors influence the motivation from people to do something. In this research the beliefs from primary teachers has a central place. It explains why teachers do things, but you cannot predict the ICT-use from teachers when you know what their beliefs are. 220 respondents working in primary schools have had a questionnaire about their ICT experiences in school and their pedagogical beliefs. These data are used in this study. With some different tests is found what the relation is between beliefs, ICT-use and development in ICT-skills. For more specific information are ten people interviewed about ICT-use and professional development. The influence from beliefs on ICT-use is important, but small.Show less