Assent
In Plain Language
An affirmative indication of willingness to participate from someone who cannot independently provide informed consent.
ABA Definition
Verbal or nonverbal agreement to participate, distinguished from legally valid informed consent and from mere absence of resistance.
Everyday Example
A child enthusiastically chooses to join an optional activity.
ABA Example
A team identifies individualized signals of willingness and withdrawal and adjusts teaching when willingness changes.
How It May Be Used
Supports attention to the learner’s voice throughout participation.
Parent/Caregiver Tip
Quietness or stillness alone does not demonstrate willingness.