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Related Concept Videos

Autism Spectrum Disorder01:19

Autism Spectrum Disorder

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Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
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Behavioral Genetics and Its Designs01:23

Behavioral Genetics and Its Designs

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Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
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Modeling, a key technique in therapy, uses observational learning to help clients acquire and practice new skills by watching therapists demonstrate desired behaviors. This approach, rooted in Albert Bandura's concept of vicarious learning, plays a significant role in therapeutic interventions for various psychological conditions, including social anxiety, ADHD, and depression.
Participant Modeling
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Identifying the Best Discriminating Items for Three Autism Screening Methods in a High-Likelihood Sibling Population.

Nurhafizah Mohd Zambri1, Hwan Cui Koh1, Lourdes Mary Daniel1,2,3,4

  • 1Department of Child Development, KK Women's and Children's Hospital, 100 Bukit Timah Road, Singapore, 229899, Singapore.

Journal of Autism and Developmental Disorders
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Summary
This summary is machine-generated.

Best autism screening tool items differ by age and culture. An alternative scoring method,

Keywords:
Autism spectrum disorderClinical researchInternational perspectivePediatricsScreening

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Area of Science:

  • Developmental Pediatrics
  • Autism Spectrum Disorder Research
  • Screening Tool Psychometrics

Background:

  • Caregiver-completed autism screening tools show variable accuracy in differentiating autism.
  • Accuracy depends on age, population, and cultural context.
  • Optimizing existing tools is crucial for early autism detection.

Purpose of the Study:

  • To identify the most effective items in three autism screening tools: Modified Checklist for Autism in Toddlers, Revised with Follow-up (M-CHAT-R/F), Social Attention and Communication Surveillance, Revised (SACS-R), and ASDetect.
  • To evaluate alternative scoring methods for improving screening tool utility in a multicultural, high-likelihood population.
  • To analyze screening tool performance across different age points (12, 18, 30 months).

Main Methods:

  • Item response data from 141 high-risk siblings (12-48 months) were analyzed.
  • Screening tools included M-CHAT-R/F, SACS-R, and ASDetect.
  • An alternative scoring method, 'Sing-CHAT', was developed using best-discriminating M-CHAT-R/F items.

Main Results:

  • Key M-CHAT-R/F items identified: 'follows a point', 'pretend play', 'protoimperative pointing', 'protodeclarative pointing', 'shows objects', 'responds to name', 'follows gaze', and 'understands instructions'.
  • The 'Sing-CHAT' method outperformed the full M-CHAT-R/F using a single failing item as a cutoff.
  • SACS-R and ASDetect items showed significant discrimination at 18 and 30 months; using all items and lower cutoffs improved psychometric properties.

Conclusions:

  • The most effective items for autism screening tools are age, population, and culturally dependent.
  • Alternative scoring methods, like 'Sing-CHAT', show potential to enhance autism detection accuracy.
  • Further research into culturally adapted screening and optimized scoring is warranted.