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Fig. 3 | BMC Health Services Research

Fig. 3

From: Developing the HLS19-YP12 for measuring health literacy in young people: a latent trait analysis using Rasch modelling and confirmatory factor analysis

Fig. 3

Visualization of disordered response categories of item15 and item16 in the HLS19-SF12 and the HLS19-Q12, respectively. Note: Using RUMM2030plus software, we observed that the category probability curves for item15 in the HLS19-SF12 and item16 in the HLS19-Q12 indicated disordered/reversed response categories. The response category 2 in both items was not the most likely for any location on the latent trait scale and might weaken the hypothesis of ordinal data. Disordered response categories were also observed for item21 in the HLS19-Q47 applying unidimensional Rasch model

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BMC Health Services Research

ISSN: 1472-6963

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