Abstract
This article describes sociocultural theory as a way to ground social identity for clinical and research practices in speech-language pathology. The purpose is to (1) outline the fundamentals of the theory and (2) link the focal unit of analysis from the theory, mediated action, to social identity to (3) support the clinical utility of mediated action for work with social identity. Published literature is the informational source. A glossary of terms is included as an appendix.