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CHH 19

TermDefinition
class expansion A new member is added to a demonstrated stimulus equivalence class as the result of teaching a new conditional discrimination
class merger Independent equivalence classes are combined as the result of teaching a new but interrelated conditional discrimination.
class-specific reinforcement A match-to-sample procedure in which not only is the correct comparison choice conditional on the sample stimulus, but the type of consequence delivered is, too; class-specific consequences themselves become members of the equivalence classes.
conditional discrimination Performance in a match-to-sample procedure in which discrimination between the comparison stimuli is conditional on, or depends on, the sample stimulus present on each trial.
contextual control The situation or context in which a stimulus (or stimulus class) occurs determines its function.
derived stimulus relations Responding indicating a relation (e.g., same as, opposite, different from, better than) between two or more stimuli that emerges as an indirect function of related instruction or experience.
emergent stimulus relations Stimulus relations that are not taught directly but emerge as an indirect function of related instruction or experience.
equivalence-class formation The emergence of accurate responding to untrained and nonreinforced stimulus–stimulus relations following the reinforcement of responses to some stimulus–stimulus relations.
equivalence test A probe for the emergence of untrained stimulus–stimulus relations that evaluates both symmetry and transitivity simultaneously.
exclusion A procedure for building new arbitrary conditional discriminations based on the robust finding that learners will select a novel comparison stimulus over a known one in the presence of a novel sample.
higher-order operant class Behavior defined in terms of general relations between antecedents and responses, rather than in terms of specific stimuli and responses; examples include generalized imitation, manding, instruction following, naming, and relational framing.
matching-to-sample procedure A discrete trial procedure for investigating conditional relations and stimulus equivalence. Responses that select a comparison stimulus that matches the sample stimulus are reinforced.
nodal stimulus (node) A stimulus set that must be held in common across a minimum of two conditional discriminations to provide a basis for all equivalence properties.
reflexivity A type of stimulus-to-stimulus relation in which the learner, without any prior training or reinforcement for doing so, selects a comparison stimulus that is the same as the sample stimulus
simple discrimination Responding is under stimulus control of a single antecedent stimulus condition
simple-to-complex testing protocol An arrangement in which types of stimulus equivalence probes are introduced sequentially, beginning with symmetry, followed by transitivity (if relevant), and then combined tests for equivalence.
stimulus-control topographies Refers to two different forms of stimulus control that can result from a match-to-sample procedure involving one sample stimulus and two comparison stimuli
stimulus equivalence The emergence of accurate responding to untrained and nonreinforced stimulus–stimulus relations following the reinforcement of responses to some stimulus–stimulus relations. (AKA equivalence-class formation)
symmetry A type of stimulus-to-stimulus relationship in which the learner, without prior training or reinforcement for doing so, demonstrates the reversibility of matched sample and comparison stimuli
training structure Refers to dimensions of procedural arrangements when teaching multiple conditional discriminations.
transfer of function Occurs when teaching a new function for one member of an established equivalence class results in the same function holding for all members of the class.
transitivity Describes derived stimulus–stimulus relations that emerge as a product of training two other stimulus–stimulus relations
Created by: user-1918626
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