ABA glossary

Internal validity

The extent to which a study shows that the independent variable, rather than other factors, produced the observed changes in behavior.

Example from a session

A reversal design with three replications of the effect has strong internal validity.

Can you spot internal validity in a scenario?

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BCBA D.2 · Experimental DesignInternal vs. external validity
BCBA D.3 · Experimental DesignThreats to internal validity, such as history and maturation

Attrition
Confounding variable
Direct replication
Experimental control
External validity
Extraneous variable

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Definition

Example from a session

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Turn definitions into fast, confident answers.

Definition

Example from a session

Study guides that use this term

Related terms

Turn definitions into fast, confident answers.