| Listener Naming | Pointing | After the child’s attention is directed to two visual stimuli (either photographs or images on a tablet PC), the researcher says, “Point to [target].” The child correctly points to the corresponding visual stimulus within three seconds. |
| Speaker Naming | Tact | When the researcher presents a single visual stimulus (either a photograph or an image on a tablet PC) without a verbal prompt, the child correctly produces the corresponding verbal response (the name of the object) within three seconds. |
| Intraverbal | When the researcher presents a single visual stimulus (either a photograph or an image on a tablet PC) and asks,“What is this?”, the child correctly produces the corresponding verbal response (the name of the object) within three seconds.. |