Introduction:  In assessing clinical change, measurement is often based on psychometric scales. However, change is best revealed within the constellation of problems salient to the patient, rather than in alterations in the abstract constructs, psychometrically measured. These patients' problems often serially unfold in qualitative stages, even before the full‐blown disorder emerges. These qualitative stages constitute the natural history extending from early to late, fluctuating from mild to severe, and progressing from full‐blown disorder to recovery. Method:  We reviewed the literature on clinimetrics and patient‐centred subjective measures, and related these findings to the use of the discretized‐analogue scaling method. Results:  There is increasing recognition of clinimetric approaches that structure the pre‐clinical and clinical material into a scale that reflects the symptoms, consequences and complications in a manner understandable to the patient, and enabling the quantification of severity or change. This monograph provides criteria and methods for developing these building blocks that enable the assessment of severity, stage or change. We show examples of their use in quantitative clinical outcome measurement. Conclusion:  We encourage further studies in the ideology and procedures for measuring clinical change in terms of personally subjective experiences.

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Recent ECT practices in Canada are reviewed from a historical perspective with respect to specific criticisms. Utilization is decreasing; utilization rates vary widely between Provinces and between regions; disproportionate numbers of females have been receiving ECT; a substantial group of patients diagnosed as neurotic and schizophrenic continue to receive ECT; criteria and guidelines for its use are not consistently applied. Expected rates of ECT used are estimated, based on theory and practice as well as on published data on the epidemiology of affective disorders. Data on actual Canadian usage are reviewed and compared with an estimated minimum ratio of 30-45+ cases per year of non bi-polar depression per 100,000 population requiring ECT. Results show that there may be a substantial number of patients in some Provinces for whom ECT is the best available treatment and who are not receiving it. There is some ethical concern associated with possible under-use of ECT as the best therapy available for certain patient groups. Clinical cases and patterns of care should be reviewed at the hospital level to determine how best to effect improvements in the use of this treatment.