A classical test theory evaluation of the Sleep Condition Indicator accounting for the ordinal nature of item response data
Hellström, Amanda ; Hagell, Peter ; Broström, Anders ; Ulander, Martin ; Luik, Annemarie I ; Espie, Colin A ; Årestedt, Kristofer Martínez Molina, Agustin
PloS one, 2019, Vol.14 (3), p.e0213533-e0213533 [Periódico revisado por pares]United States: Public Library of Science
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