Cultural differences in social communication and interaction: A gap in autism research

Validation and determining an optimal cut-off score of the Infant Behavior Checklist for autism spectrum disorder

Aim

Given the escalating prevalence of autism spectrum disorder (ASD), the persistent paucity of child psychiatrists in Japan, and the need to prepare for unforeseen situations, such as the COVID-19 pandemic, it is essential to establish a reliable screening tool. This study aims to validate the Infant Behavior Checklist (IBC) developed by Japanese experts and determine its appropriate cut-off score.

Methods

A total of 354 clinic-referred children, along with their caregivers, participated in this research. Clinical records, including diagnoses established through the sub-structured diagnostic interviews, and the IBC assessments, were subjected to rigorous statistical analysis.

Results

Among the 24 items, six failed to reach significance to differentiate ASD from non-ASD cases. The Cronbach's alpha coefficient for the IBC was calculated at 0.77. The IBC total score for ASD cases was significantly higher than that of non-ASD cases. With the chosen cut-off score, the IBC demonstrated an area under the ROC curve of 0.803, along with sensitivity, specificity, positive predictive value, and negative predictive value of 8.03, 0.79, 0.69, 0.34, and 0.94, respectively.

Conclusion

The IBC exhibits satisfactory internal consistency and content and discriminant validity. The high sensitivity and other associated indices for the optimal cut-off score of the IBC affirm its validity as a screening instrument for ASD. Nevertheless, further investigations are warranted to ascertain the clinical utility of the IBC.

Time to level up: A systematic review of interventions aiming to reduce stigma toward autistic people

LAY ABSTRACT

How non-autistic people think about autistic people impacts autistic people negatively. Many studies developed trainings to reduce autism stigma. The existing trainings vary a lot in terms of study design, content, and reported effectiveness. This means that a review studying how the studies have been conducted is needed. We also looked at the quality of these studies. We collected and studied 26 studies that tried to reduce stigma toward autistic people. The studies often targeted White K-12 students and college students. Most trainings were implemented once. Trainings frequently used video or computer. Especially, recent studies tended to use online platforms. The study quality was poor for most studies. Some studies made inaccurate claims about the intervention effectiveness. Studies did not sufficiently address study limitations. Future trainings should aim to figure out why and how interventions work. How intervention changes people's behavior and thoughts should be studied. Researchers should study whether the training can change the societal stigma. Also, researchers should use a better study design.

Screening, Diagnosis, and Intervention for Autism: Experiences of Black and Multiracial Families Seeking Care

PURPOSE

Despite advances in screening and awareness, Black and multiracial families continue to experience challenges when seeking an autism diagnosis for their children.

METHODS

We surveyed 400 Black and multiracial families of young children with autism from an existing research database in the United States about their retrospective diagnostic experiences. We gathered quantitative and qualitative data and engaged in iterative coding to understand timing and content of first concerns, families' experiences of care providers and systems, and the impact of race and culture on accessing care.

RESULTS

Families provided examples of early developmental concern and described provider, systemic, and cultural barriers and facilitators to care. Families also provided insight into the influence of culture and made recommendations on how the medical system could better care for Black and multiracial families of children with autism.

CONCLUSIONS

Results add to a growing body of literature supporting the need for culturally sensitive and accessible care related to developmental monitoring, diagnosis, and follow-up care for Black and multiracial children.

Do Autistic People's Support Needs and Non-Autistic People's Support for the Neurodiversity Movement Contribute to Heightened Autism Stigma in South Korea vs. the US?

We examined stigma towards vignette characters representing diverse autistic characteristics (social, non-speaking, or repetitive interests or restricted behaviors; RIRB) among 259 South Korean and 240 American participants (age range = 18 ~ 74). Within each domain, participants were randomized to read a vignette depicting low or high support needs. Koreans reported greater stigma towards autistic characteristics and less awareness of and support for the neurodiversity movement than Americans. Autistic characters' support needs and rater characteristics (autism knowledge, neurodiversity endorsement, and contact quantity) predicted stigma in at least one domain, and after accounting for these variables, participants' nationality was suggestively associated only with stigma towards social characteristics and RIRB. Findings highlight the need for culturally adapted-training that provides contact with diverse autistic people.

Gender bias in autism screening: measurement invariance of different model frameworks of the Autism Spectrum Quotient

BACKGROUND

The Autism Spectrum Quotient is a popular autism screening tool recommended for identifying potential cases of autism. However, many women with autism demonstrate a different presentation of traits to those currently captured by screening measures and assessment methods, such as the Autism Spectrum Quotient.

AIMS

Different models of the Autism Spectrum Quotient have been proposed in the literature, utilising different items from the original 50-item scale. Within good-fitting models, the current study aimed to explore whether these items assess autistic traits similarly across men and women.

METHOD

Seventeen Autism Spectrum Quotient models were identified from the literature. Using the responses of a large sample of adults from the UK general population (5246 women, 1830 men), confirmatory factor analysis was used to evaluate the fit of each model. Measurement invariance with respect to gender, adjusting for age, was explored in the 11 model frameworks that were found to have satisfactory fit to our data.

RESULTS

It emerged that only two items were gender invariant (non-biased), whereas for the remaining items, the probability of endorsement was influenced by gender. In particular, women had a higher probability of endorsing items relating to social skills and communication.

CONCLUSIONS

If the items of the Autism Spectrum Quotient indeed reflect autism-related traits, those items should be rephrased to ensure they do not present a gender-related bias. This is vital for ensuring more timely diagnoses and support for all people with autism.

A systematic review and meta-analysis of associations between primarily non-autistic people's characteristics and attitudes toward autistic people

This systematic review includes a narrative synthesis and meta-analysis of research on the associations between primarily non-autistic people's characteristics and their attitudes toward autistic people. Of 47 studies included in the narrative synthesis, White undergraduate students were surveyed most frequently. Demographic characteristics were the factors most frequently tested for associations with attitudes, followed by contact-related factors (i.e., quantity and quality), knowledge about autism, trait and personality factors, and other factors that did not fit into a single category. Internal consistency was not reported for some instruments assessing raters' characteristics; some instruments had alpha levels lower than 0.70, and many characteristics of raters were measured using one-item measures. Moreover, theoretical motivations for investigating the raters' characteristics were rarely provided. A total of 36 studies were included in the meta-analysis, which showed that attitudes toward autistic people were significantly associated with participants' gender, knowledge about autism, and quality and quantity of their previous contact with autistic people, but not with their age or autistic traits. These findings indicate a need for more studies that focus on context-related characteristics (e.g., institutional variables such as support/commitment to inclusion), use reliable instruments to measure non-autistic people's characteristics, and situate their investigation in a theoretical framework.