Cardy, R. L. (1991a). The applied value of laboratory research: A contradiction in terms?Management Communication Quarterly, 5, 111-119.
2.
Cardy, R. L. (1991b). Contextual variables in laboratory and field research: Theoretical importance versus theoretical meaningfulness. Management Communication Quarterly, 5, 240-246.
3.
Steinfatt, T. M. (1991). External validity, internal validity, and organizational reality: A response to Robert L. Cardy. Management Communication Quarterly, 5, 120-125.