Simple vs Conditional Discrimination
which one?
Definition:
A learner responds to one stimulus (SD) and not to another (SΔ) because the SD has been associated with reinforcement.
The behavior is controlled by a single stimulus.
Simple Discrimination
Simple vs Conditional Discrimination
which one?
Key Features:
Single antecedent controls behavior
Focus is on “this stimulus → do this behavior”
Simple Discrimination
Simple vs Conditional Discrimination
which one?
Example:
SD: Green light → press lever → reinforcement
SΔ: Red light → press lever → no reinforcement
Learner presses lever only when the green light is present
Simple Discrimination
Simple vs Conditional Discrimination
which one?
Summary:
One stimulus, one response
No other context needed to guide the behavior
Simple Discrimination
Simple vs Conditional Discrimination
which one?
Definition:
A behavior occurs in the presence of a stimulus depending on the context or other stimuli.
The controlling relation is conditional on additional cues.
Conditional Discrimination
Simple vs Conditional Discrimination
which one?
Key Features:
Multiple antecedents determine behavior
Behavior is controlled by relationships among stimuli, not just one stimulus
Conditional Discrimination
Simple vs Conditional Discrimination
which one?
Example:
Scenario: Matching shapes by color
Red triangle → pick red triangle among options
Blue triangle → pick blue triangle
The correct response depends on the context (sample stimulus)
If the context changes, the response may change
Conditional Discrimination
Simple vs Conditional Discrimination
which one?
Summary:
Behavior depends on stimulus relationships
Often used in matching-to-sample tasks, conditional discriminations, and derived relational responding
Conditional Discrimination