Objective We sought to judge the validity of speaking spanish version of the individual Health Questionnaire-9 (PHQ-9) unhappiness range in a big test of pregnant Peruvian females using Rasch item response theory (IRT) strategies. half the times and each day almost, the response categories ordered as well as the PHQ-9 fit the Rasch IRT super… Continue reading Objective We sought to judge the validity of speaking spanish version