On the Validity of the Rorschach Test

Rorschach protocols of 20 persons (normals, depressives, and schizophrenics) were analysed, using the inverted, or Q, method of factoring. Three factors emerged from the analysis and corresponded to the three psychiatric categories. Groups of items, allegedly measuring the isolated factors, were applied to a second population of 42 persons resulting in validity values of an encouraging magnitude. Finally, published protocols are cited, together with a list of discriminating items and a score matrix based on such items, so that further verification can be made by the reader.