Operators and scales: diagnostic and rating issues in psychiatric PET research.

  • Hannah Agren
  • Published 1992 in Journal of neural transmission. Supplementum


In psychiatric research that for various reasons has to restrict itself to a limited number of subjects, such as studies involving expensive positron emission tomography techniques, issues concerning the parsimonious description of patients gain in importance. The number of descriptive variables must be optimally small. This paper offers a conceptual back… (More)


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