magnitude vs topography vs function, vs rate
which one?
Definition:
The intensity, force, or size of a behavior.
Describes how strong or powerful a response is, not how often it occurs.
Magnitude
magnitude vs topography vs function, vs rate
which one?
Example:
Hand squeeze: gentle vs. very hard
Volume of a verbal response: whisper vs. shout
Magnitude
magnitude vs topography vs function, vs rate
which one?
Key Point:
_____ is useful when intensity matters, e.g., aggression, vocal volume, strength of response
Magnitude
magnitude vs topography vs function, vs rate
which one?
Definition:
The physical form or shape of the behavior — what it looks like.
Focus is on how the behavior is performed, not the outcome or frequency.
Topography
magnitude vs topography vs function, vs rate
which one?
Example:
Writing the letter “A” with correct strokes vs. incorrect strokes
Hand-flapping: small vs. large arm movements
Topography
magnitude vs topography vs function, vs rate
which one?
Key Point:
_______ is important when the form of the behavior matters, e.g., skill acquisition
Topography
magnitude vs topography vs function, vs rate
which one?
Definition:
The purpose or reason a behavior occurs — what the behavior achieves for the individual.
Often identified using functional assessment or ABC analysis (Antecedent-Behavior-Consequence).
Function
magnitude vs topography vs function, vs rate
which one?
Example:
Tantrum: to escape a task (escape-maintained)
Crying: to gain attention (attention-maintained)
Function
magnitude vs topography vs function, vs rate
which one?
Key Point:
Two behaviors may look the same (same topography) but have different _______, which guides treatment
Function
magnitude vs topography vs function, vs rate
which one?
Key Point:
Rate captures how often a behavior occurs, not intensity or form
Rate
magnitude vs topography vs function, vs rate
which one?
Example:
Child raises hand 10 times in a 30-minute session → rate = 0.33 responses/min
Useful for behaviors that are discrete and countable
Rate
magnitude vs topography vs function, vs rate
which one?
Definition:
The number of times a behavior occurs per unit of time.
Often expressed as responses per minute, hour, or session.
Rate