When you honoured me with an invitation to lecture at Clark University, a wish was expressed that I should speak about my methods of work, and especially about the psychology of childhood. I hope to accomplish this task in the following manner:—

In my first lecture I will give to you the view points of my association methods; in my second I will discuss the significance of the familiar constellations; while in my third lecture I shall enter more fully into the psychology of the child.

I might confine myself exclusively to my theoretical views, but I believe it will be better to illustrate my lectures with as many practical examples as possible. We will therefore occupy ourselves first with the association test which has been of great value to me both practically and theoretically. The history of the association method in vogue in psychology, as well as the method itself, is, of course, so familiar to you that there is no need to enlarge upon it. For practical purposes I make use of the following formula:—