1. Measuring Happiness Behavior in Functional Analyses of Challenging Behavior for Children with Autism Spectrum Disorder. Issue 3 (May 2021) Authors: Thomas, Benjamin R.; Charlop, Marjorie H.; Lim, Nataly; Gumaer, Caitlyn Journal: Behavior modification Issue: Volume 45:Issue 3(2021) Page Start: 502 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗