Inventario del Desarrollo de Habilidades Comunicativas McArthur-Bates (CDI): propuesta de una versión abreviada

the mcarthur-bates communicative development inventories (cdi) assesses language development en children, through a significant caregiver report. the first inventory assesses verbal and non verbal language in infants who are from 8 to 18 months old and it is composed of 949 items distributed in 6 scales. this study proposes an abbreviate form of this instrument, and was tested on families and educators of 130 chilean children of 11-15 months old. analyses related to the items, reliability and validity of the instrument and factorial analyses of subscales were realized. the abbreviate version consider 241 items distributed in 4 scales. the evaluation of the psychometric properties of the instrument was acceptable, demonstrating adequate reliability and validity.