[Quality assurance in therapy of chronic pain. Results obtained by a taskforce of the German Section of the Association for the study of Pain psychological assessment of chronic pain. Instruments for the assessment of pain experience and pain behaviour.]

The series of publications is continued in which the results of a review of German pain-related psychological assessment tools are presented. The taskforce of the German Society for the Study of Pain (DGSS) describes and examines instruments assessing the qualitative aspects of how pain is experienced (part II). Part III describes and comments on methods regarding self-reporting and observation of pain behaviour. Part IV discusses the use of pain diaries and introduces different forms of diaries, focussing on the measurement of pain intensity.