In Their Study of Common Ground, Clark and Krych (2004)

Multiple Choice

In their study of common ground, Clark and Krych (2004) found that participants assembled LEGO models more efficiently when:

A) the directors conversed directly with the builders, but neither could see the other
B) * the directors could converse directly with the builders and each could see the other.
C) the directors 'instructions were audiotaped and the builders could repeat them as often as they needed
D) the directors could see the builders, but the builders could not see the directors.