How ABA data collection actually works
Reference material on the mechanics behind defensible clinical data — the measurement systems, the reliability math, and the decisions that constrain everything downstream. Written for practitioners, not as a product pitch.
Reference
Guides
Updated August 2026
The eight ABA measurement systems
What each of the eight ABA measurement systems measures, when to use it, and the metric it produces.
Read the guideUpdated August 2026
Interobserver agreement (IOA) in ABA
How IOA is calculated, what the 80% convention means, and what to do when agreement falls short.
Read the guideThe software behind the reference
Cadence supports all eight measurement systems natively, computes interobserver agreement in-product, and drafts the note from the data you just captured — for a licensed clinician to review and sign.