What is the fine-grained topic of the following text: Leon Lojk, psychologist, psychotherapist, senior instructor at William Glasser Institute, and a founder of the Training Centre for Choice Theory and Reality Therapy in Slovenia (in 1996) established the evidence that Choice Theory Psychology as well as Reality Therapy has its foundations in science and philosophy. Only return the topic.
The scientific and philosophical foundations of Choice Theory Psychology and Reality Therapy according to Leon Lojk.