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Brief report: Validity and reliability of the Nigerian Autism Screening Questionnaire
Muideen O Bakare1,2,3,4, Thomas W Frazier5,6, Arun Karpur5
1Federal Neuro Psychiatric Hospital, Nigeria.
Summary
The Nigerian Autism Screening Questionnaire (NASQ) shows reliable measurement properties for early autism spectrum disorder (ASD) detection in community settings. Further validation is needed to confirm its utility in resource-limited areas.
Area of Science:
- Neurodevelopmental Disorders
- Psychometrics
- Global Health
Background:
- Early detection of autism spectrum disorder (ASD) is crucial for timely intervention.
- Screening tools are vital in low- and middle-income countries (LMICs) with limited services.
- The Nigerian Autism Screening Questionnaire (NASQ) was developed for use in Nigeria.
Purpose of the Study:
- To conduct a preliminary evaluation of the psychometric properties of the NASQ.
- To assess the reliability and factor structure of the NASQ in a Nigerian context.
Main Methods:
- Psychometric evaluation of the NASQ.
- Analysis of factor structure and measurement consistency across age and sex.
- Reliability assessment of NASQ scores.
Main Results:
- The NASQ demonstrated a clear factor structure.
- Consistent measurement of ASD symptoms was observed across different age groups and sexes.
- Reliable measurement was confirmed for a wide range of scores.
Conclusions:
- The NASQ shows promising psychometric properties for community-based ASD screening in Nigeria.
- Further research is recommended to validate NASQ performance against diagnostic standards in screening and diagnostic settings.
- The tool's utility in resource-limited settings warrants continued investigation.
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01:22Self-Report Tests of Personality
Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.
01:19Autism Spectrum Disorder
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.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
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