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Best Practice Assessment for ASD Observations

Developmental/Cognitive Assessments:

•Mullen Scales of Early Learning “MSEL” is a direct assessment performed between birth and 68 months that lasts 35-60 minutes to evaluate gross and fine motor abilities, expressive and receptive language, and visual reception.

•Bayley Scales of Infant and Toddler Developments-3rd Edition “Bayley III” is a direct assessment performed between the ages of 1-42 months that lasts between 30-90 minutes and includes a parent questionnaire to measure cognitive skills, adaptive behavior, fine and gross motor abilities, expressive and receptive language, and social-emotional functioning.

•Developmental Assessment of Young Children- 2nd Edition “DAY-C” is a direct assessment, observation, and parent interview performed between birth and 5 years, 11 months, that lasts 10-20 minutes per subset to measure cognitive skills, language, adaptive behaviors, physical development and social-emotional development to help identify delays.

Speech, language, and communication:

•Preschool Language Scales-5th Edition “PLS-5” is a direct assessment and parent questionnaire that lasts 45-60 minutes performed between birth-7 years, 11 months with the purpose of assessing auditory comprehension and expressive language with supplemental screeners for articulation, language sample, and a home communication questionnaire.

•Communication and Symbolic Behavior Scales “CSBS-DP” is a direct assessment and parent questionnaire that last 60 minutes performed between ages 6 months-6 years is a direct assessment and parent questionnaire to screen for early social communication, expressive language, and symbolic functioning delays through seven clusters: communicative functions, gestural communication, vocal communication means, verbal communication, reciprocity, social-affective signaling, and symbolic behavior.

•Rossetti Infant- Toddler Language Scale “Rossetti” is a direct assessment, parent questionnaire, and free play sessions that lasts under minutes to evaluate mastery of items in interaction attachment, pragmatics, gestures, play, and language comprehension. This assessment does not have standard norms for comparison. 

Goldstein, S., & Ozonoff, S. (2020). Assessment of autism spectrum disorder (2nd ed.). Guilford Press.

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