This little manual accompanies and explains a set of Psychodiagnostic Inkblots parallel to the Rorschach series.

It is frequently necessary to repeat the Rorschach test in the same individual during various moods and conditions or before and after psychotherapy. An analogous series of test blots is desirable in order that the results are not distorted by memory.

It is not easy to construct a series that satisfy all requirements. The form of the blot must be simple but suggestible, and the distribution of the parts must fulfil certain requirements as to color, shading and presence of suggestible small details. The authors of this series appear to have solved this problem satisfactorily. All the various types of responses characteristic of the Rorschach record are found in their series. From a comparison with the original Rorschach series the authors feel that their series give rise to slightly more responses per record, and are more productive in F C responses, but as is pointed out, this is not necessarily a