Assignment Instructions:
Complete the readings and the interactive learning activity before you attempt the
discussion question.
Stimulus events can be discussed in terms of their features and relationships to behavior
(physical, temporal, & functional). Changes in stimuli occur both as antecedent and
consequence events, which affect an individual's response. Think about some of your
own response patterns that occur. Within a specific example, identify a set of antecedent
stimuli that would demonstrate a stimulus class that influences your response(s), clearly
explaining what establishes those stimuli as a stimulus class. Next, discuss your current
response(s) to that stimulus class that make up a functional or structural response. Are
there other responses that would fit to create a response class? Finally, what specific
environmental modifications could you make to alter the stimulus-response relationship?
, Introduction
In behavioral psychology, stimulus and response classes are fundamental concepts that
explain how environmental events influence human behavior. Rooted in B.F. Skinner’s
theory of operant conditioning, these concepts highlight how stimuli (antecedent or
consequential events) and corresponding behaviors form predictable patterns over time.
Stimulus classes consist of groups of stimuli that share a common effect on behavior,
while response classes include groups of behaviors that achieve similar outcomes.
Understanding these relationships allows individuals and practitioners to identify patterns
of behavior and make targeted environmental changes to promote positive responses or
reduce maladaptive ones.
Overview of Stimulus Events
Stimulus events can be analyzed in terms of their physical, temporal, and functional
properties. Physically, stimuli may vary in form—such as visual cues, sounds, or tactile
sensations. Temporally, they can occur before (antecedent) or after (consequence) a
behavior, influencing whether a behavior is likely to occur again. Functionally, stimuli
are defined by the effect they have on an organism’s behavior.
For example, the sound of an alarm clock (auditory stimulus) precedes the act of waking
up and turning it off, functioning as an antecedent that prompts a response. When these
events consistently lead to the same behavioral outcome, they form a stimulus class—
stimuli that evoke or suppress similar behaviors.
Personal Example: Stimulus Class and Antecedent Events