(2011). Examination of the cut-off scores determined by the Ages and Stages Questionnaire in a population-based sample of 6 month-old Norwegian infants. BMC Pediatrics, 11, 117. https://doi.org/10.1186/1471-2431-11-117 Armijo, I., Schonhaut, L., & Cordero, M. (2015). Validation of...
Parent Street address:Names of people assisting in questionnaire completion:Grandparent or other relative Guardian Foster parent Teacher Child care provider Other:Please provide the following information. Use black or blue ink only and print legibly when completing this form.Baby’s first name:Baby’s...
12 months later. Reliability and validity of the 67-item questionnaire were determined respectively by test–retest reliability and internal consistency analysis, as well as by construct validity analyses. The Cox regression model and the maximum likelihood method were used to fix a model allowing cal...