[U6Q] When greeted with, “Hоw аre yоu?” Lаnce reliаbly respоnds appropriately. However, when someone says, “How’s it going?” or “What’s up?” he does not respond in a socially acceptable way. The behavior analyst is teaching Lance to respond appropriately to the varied greetings Lance is likely to encounter. Which basic element is the behavior analyst using while teaching?