Samenvatting
Thi,s is the 7ttr and last part, of an introduction to psycho-lol:1,,, . '1'his introduction han been compoaed by psychologiataof siX different paycholonical instituten, and it tre6t theaub,iect in a neus way. This part of the boolc reviews the me-thoda and principle tendenciea of never psychoi:;g-y. listof literature references han been presented at the end ofeach chapter.