De complexiteit van het concept mondgezondheid-gerelateerde levenskwaliteit [The complexity of the concept oral health-related quality of life]
article
The methods uses most often for developing and analyzing questionnaires, such as the explorative factor analysis and Cronbach's alpha, presume that psychological constructs are latent (imperceptible) and that there is a reflective-measurement model with the underlying assumption of local independence. Local independence means that the latent variable explains why the variables observed are related. Many questionnaires for measuring oral health-related quality of life are analyzed as if they were based on a reflective-measurement model assuming local independence. This assumption requires these questionnaires to contain solely items reflecting instead of determining oral health-related quality of life. The tenability of this assumption is questionable.
TNO Identifier
533102
ISSN
09098836
Source
Nederlands Tijdschrift voor Tandheelkunde, 118(3), pp. 142-144.
Pages
142-144
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