The Six-part Story Method (6PSM) is a projective tool in wide use by dramatherapists in the UK, USA and Israel (Lahad & Ayalon, 1993). In contrast to projective tests used by psychotherapists and psychologists, the 6PSM has never been the subject of any validation or reliability studies. This study reports on the identification of scale items to describe the manifest content of six-part stories...

The Hamilton Rating Scale for Depression (often abbreviated to HRSD, HDRS or Ham-D) was written in the late 1950s by Max Hamilton, a psychiatrist at Leeds University and originally designed to evaluate the performance of the first group of antidepressants [1]. The scale is still widely used to measure the effectiveness of antidepressant medication in clinical trials. For more than 40 years, it ...

Necessary and sufficient relations between measurement objectivity and psychometric models for data in more than two categories are reviewed and extended. Rasch (1960, 1961) and others prove the sufficiency of Rasch models for objectivity. Douglas and Wright (1986) derive the model necessary for objectivity for data in two categories. Rasch (1968) outlines a proof of the model necessary for obs...