Chovil, Nicole and Fridlund, Alan J. 1991. “Why Emotionality Cannot Equal Sociality: Reply to Buck.”Journal of Nonverbal Behavior 15(3): 163–167.
Fridlund, Alan J. 1991. “Sociality of Solitary Smiling: Potentiation by an Implicit Audience.”Journal of Personality and Social Psychology 60(2): 229–240.
Fridlund, Alan J., Kenworthy, Karen G. and Jaffey, Amy K. 1992. “Audience Effects in Affective Imagery: Replication and Extension to Dysphoric Imagery.”Journal of Nonverbal Behavior 16(3): 191–212.
Fridlund, Alan J., Sabini, John P., Hedlund, Laura E., Schaut, Julie A., Shenker, Joel I. and Knauer, Matthew J. 1990. “Audience Effects on Solitary Faces During Imagery: Displaying to the People in Your Head.”Journal of Nonverbal Behavior 12(2): 113–137.