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10-09-2019 | Responses to “Advancing quality‑of‑life research by deepening our understanding of response shift” by Bruce D. Rapkin & Carolyn E. Schwartz

Appraisal as a unifying theory of response shift: continuing the conversation

Auteur: Nancy E. Mayo

Gepubliceerd in: Quality of Life Research | Uitgave 10/2019

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Extract

The commentary paper by Rapkin and Schwartz (R&S) is about “IT” [1]. Specifically, what is IT in the context of response shift? And can “appraisal” be a unifying approach to IT? In order to have a good representation of IT, one must also have a good representation of what is not IT. The discussion of the response shift IT is reminiscent of the discussion on frailty, difficult to define, but “I know it when I see it” [2]. Most definitions of constructs measured by patient-reported outcomes (PROs) are clear about what is IT. However, when it comes to measuring IT, items sometimes creep in that cause IT, predict IT, modify IT, or are a consequence of IT, but in fact are not IT. In this commentary, I raise the questions as to whether appraisal is IT (response shift), a method of measuring IT, or a method of explaining IT. If appraisal is IT, then response shifts are changes in the cognitive processes that are used to arrive at a rating on a PRO. If appraisal is a measure of IT, then appraisal would be like the then-test, not IT but a measure of IT, although with fewer limitations than the then-test. If appraisal is a method of explaining IT then in a regression model of IT, appraisal would explain an important amount of variance in IT. R&S consider that appraisal is a way of operationalizing IT encompassing both measurement and explanation of IT, but not IT. …
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Metagegevens
Titel
Appraisal as a unifying theory of response shift: continuing the conversation
Auteur
Nancy E. Mayo
Publicatiedatum
10-09-2019
Uitgeverij
Springer International Publishing
Gepubliceerd in
Quality of Life Research / Uitgave 10/2019
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-019-02270-1