Dynamic assessment is an approach which systematically incorporates teaching into the assessment procedure. Dynamic assessment in Speech–Language pathology encompasses a variety of teaching approaches from the use of mediated learning experience to systematic cueing. The emphasis of dynamic assessment in the field is on the diagnostic decision-making process and often [Page 627]has been used to determine Speech–Language differences in contrast to Speech–Language impairment. This entry provides an overview of dynamic assessment, then examines its applications and theoretical foundations.