The document provides instructions for administering a revised Early Childhood Development Checklist. It discusses testing considerations like physical conditions and standard procedures. It recommends building rapport with children by playing with them first before testing. The examiner should not teach answers or compare children. The document lists materials needed to test various skills in domains like gross motor, fine motor, language, and social-emotional development. Administration should take around 45 minutes. Scores are tallied in each domain and testing may be deferred if a child is unwell or unwilling to cooperate.