Fig. 4From: Spanish validation of the short version of the racing and crowded thoughts questionnaire (RCTQ-13)Category characteristic curve for each item of the Spanish version of the RCTQ-13. The number for each item corresponds to the number after “rctq”. Item 10, for example, is rctq10. Each option for the response of the item es presented as a specific curve, and is designated with the letter P. First response option “Not at all”, for example, is P1Back to article page