<p>David Allen was encouraged to stop their conversation and recognize that a peer approached  with gestural prompt. . David was prompted to greet their peer  with verbal prompt. . David was assisted with turning to the stranger and stating, "This is my friend so-and-so,"  with verbal prompt.  </p><p>David was then encouraged to turn to their peer and state "This is ___,"  with verbal prompt.  David Allen was encouraged to wait for the stranger and their peer to respond with gestural prompt.  </p><p></p>