Impact of adherence to best practice guidelines on the diagnostic and assessment services for autism spectrum disorder.

Jänsch et al. (2014) looked back at 80 autism assessments done in three Scottish clinics. They checked whether staff followed the national best-practice checklist.

The team counted how often clinicians used a structured parent interview and extra play-based observation. They also noted the child’s age and if more tests were needed.

Guideline adherence was already high. After a short training, use of the structured parent history jumped from 73 % to 96 %.

Older preschoolers (4–5 years) needed extra observation twice as often as younger ones. Clinicians said the signs were clearer in the extra session.

Van Cleave et al. (2018) extend the idea. They show primary-care doctors can also assess ASD-related issues if a BCBA gives quick consults. Claire proves clinics already follow rules; Jeanne moves the same rules into family doctors’ offices.

Roman-Urrestarazu et al. (2021) used a 10-item toddler screener in low-resource Chilean check-ups. Both studies push short, routine tools, but Claire focuses on full guideline fidelity while Andres trims the tool itself.

Iadarola et al. (2015) sound a warning. Urban schools struggle because staff lack hands-on ASD training. Claire shows high adherence is possible when specialists run the clinic; Suzannah says without such training, services break down in schools.

If you work in a clinic, you can feel confident that following the Scottish checklist keeps you above 90 % fidelity. Build in extra 30-minute observation slots for older preschoolers; their social quirks hide better. Share Claire’s data with funders to protect that time. If you consult for primary-care teams, borrow Jeanne’s model: offer brief phone coaching so doctors can manage ASD concerns without a full referral.