In stimulus equivalence, the emergence of untrained relations between stimuli is a key characteristic. For example, if a learner is taught that A corresponds to B, and B corresponds to C, they will then often deduce that A also corresponds to C, and C to A, without explicit training. This derived, bidirectional relationship demonstrates the concept of symmetry and transitivity. This emergent understanding highlights the interconnectedness of learned associations and the ability to extrapolate relationships beyond direct instruction.
The emergence of these derived relations is significant because it suggests a deeper level of conceptual understanding than simple rote memorization. It signifies a capacity to infer and reason about relationships, a fundamental cognitive skill crucial for language acquisition, problem-solving, and adapting to new situations. The study of these emergent relations has significantly impacted behavioral psychology and educational practices, providing insights into how complex learning occurs and how interventions can be designed to promote flexible and transferable knowledge.