Tuesday, March 24, 2026

Andi Putt’s infographics on autism prevalence reveal y-axis truncation and the surveillance impact.


This instance illustrates how higher evaluation has possible elevated in autism diagnoses (versus the rise being because of vaccines or hysterical dad and mom). It does a superb job of illustrating truncated y-axes and the surveillance impact. It additionally reminds our psychology majors that we now have {many professional} allies and colleagues exterior of psychology. Like speech language pathologists. 

I discovered these examples (see beneath) on Fb from speech-language pathologist/glorious science communicator Mrs. Speechie P.  AKA Andi Putt.

Find out how to use in school:

1. Truncated y-axis

I like how she mentions that truncated y axes could be a scare tactic. I additionally like that she exhibits there are nonetheless comparatively few within the whole inhabitants.

https://www.fb.com/photograph/?fbid=1327073175898079&set=a.463959318876140

On this theme, she shared a second picture that does a extremely good job of displaying how correct analysis is not the identical factor as faux/inflated diagnoses (a standard argument in anti-autism/anti-accommodation circles).

https://www.fb.com/photograph?fbid=1326352029303527&set=pb.100057862261072.-2207520000

Y’all, Mrs. P. did the heavy lifting for us. This spells out the dates and explains how psychology/psychiatry teams and adjoining teams improved the evaluation and identification of individuals with autism. Professionals are lastly placing a analysis on a behavioral phenomenon and treating it extra usually (AKA the surveillance impact). Whereas I’m biased in direction of my fellow stats lecturers, this actually has a house in your scientific/counseling/developmental/RM lessons.

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