In this book the work of dr. Gé Calis is summarized and elaborated, With his approach it is possible to generate data in the field of cognition and the field of emotion. These are individual data. We now can look inside the black box. Calis shows the way from descriptive to explanatory scientific psychological research. He delivers real facts within cognitive psychological science. With the help of Frans Coppelmans, his approach was elaborated to the field of emotion.