A review of criterion validation research on the questionnaire on resources and stress for families with chronically ill or handicapped members

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Abstract
The Questionnaire on Resources and Stress for Families with Chronically Ill or Handicapped Members (QRS) has been used as a research instrument in studies that compared parents of clinical groups with normal controls, parents of children with different clinical conditions, and pre- and postinterventions. These studies are analyzed in terms of the relationship of 15 QRS scales to child variables (e. g., age, degree of handicap); parent variables (e. g., marital status, educational level); and family variables (e. g., nationality/culture). It was concluded that the QRS fulfills four requirements for an acceptable level of validity: (1) the relationship between predictor and criterion scores is statistically significant; (2) use of the test probably results in more correct decisions than would be made by resorting to base rates alone; (3) the test possesses some utility; it would result in some gain to the user; and (4) the test provides some unique information.