First–Then
In Plain Language
A simple support showing what happens now and what follows.
ABA Definition
A two-part sequence cue that can clarify activity order; it may represent a contingency when the second activity depends on the first.
Everyday Example
A card shows first shoes, then the park.
ABA Example
A learner uses two pictures to understand the next activities and discuss changes.
How It May Be Used
It is a visual or verbal support, not proof of a reinforcement effect.