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David Trembath

Head of Autism Research; Senior Principal Research Fellow

Research

Obesity and associated factors in youth with an autism spectrum disorder

Prevalence of overweight/obesity in children and youth with autism spectrum disorder, and associations between weight status and range of factors

Research

Schizophrenia Spectrum Disorders and Autism Spectrum Disorder

We examine the level of comorbidity found between Autism spectrum disorder and Schizophrenia spectrum disorders at a clinical and trait level

Research

Brief Report: An Exploratory Study of the Diagnostic Reliability for Autism Spectrum Disorder

We conducted a study that examined the concordance of diagnoses between a multidisciplinary assessment team and a range of clinicians in Australia.

Research

A Relationship Between Early Language Skills and Adult Autistic-Like Traits: Evidence from a Longitudinal Population-Based Study

This is the first study to show an association between early language ability and autistic-like traits in adulthood

Research

Examining parent use of specific intervention techniques during a 12-week training program based on the Early Start Denver Model

This study included five mothers of young children with autism who participated in a 12-week parent training program based on the Early Start Denver Model

Research

“We are in this together”: Experiences of relationship satisfaction in couples raising a child with autism spectrum disorder

Couples can be supported in these key areas to strengthen their relationship to serve as a source of resilience for families with a child with ASD

Research

Psychometric evaluation of the Comprehensive Autistic Trait Inventory in autistic and non-autistic adults

Measures of autistic traits are only useful – for pre-diagnostic screening, exploring individual differences, and gaining personal insight – if they efficiently and accurately assess autism as currently conceptualised while maintaining psychometric validity across different demographic groups. We recruited 1322 autistic and 1279 non-autistic adults who varied in autism status (non-autistic, diagnosed autistic, self-identifying autistic) and gender (cisgender men, cisgender women, gender diverse) to assess the psychometric properties of the Comprehensive Autistic Trait Inventory, a recently developed measure of autistic traits that examines six trait domains using 42 self-report statements.

Research

Arriving at the empirically based conceptualization of restricted and repetitive behaviors: A systematic review and meta-analytic examination of factor analyses

An empirically based understanding of the factor structure of the restricted and repetitive behaviors (RRB) domain is a prerequisite for interpreting studies attempting to understand the correlates and mechanisms underpinning RRB and for measurement development. Therefore, this study aimed to conduct a systematic review and meta-analysis of RRB factor analytic studies.