· David Cruz · Industry News
BACB 2026 RBT Changes Explained - What You Need to Know
Clear, simple breakdown of the January 2026 RBT certification changes including PDUs, new training requirements, and supervisor updates.
TallyFlex Blog
Insights on ABA data collection, evidence-based practices, and product updates for practitioners, schools, and families
· David Cruz · ABA Best PracticesHow to Choose the Right ABA Recording Method
Learn when to use frequency, duration, latency, percent correct, partial interval, or whole interval recording for any behavior.
· David Cruz · Founder StoryThe Conversation That Started TallyFlex
How a simple idea from my BCBA wife led to an Arduino prototype, months of studying ABA, and eventually a data collection tool used by over 10,000 practitioners.