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ABA Glossary

By Dana Meller, M.A., BCBA
Edited by Tyra Sellers, J.D., Ph.D., BCBA-D
ABA Glossary by Dana Meller, M.A., BCBA, edited by Tyra Sellers, J.D., Ph.D., BCBA-D

Observer reactivity

When an observer’s data collection or performance is influenced by the awareness that they are being monitored and evaluated.

When an observer’s data collection or performance is influenced by the awareness that they are being monitored and evaluated.
6th Edition TCO

C.8 Evaluate the validity and reliability of measurement procedures.

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