FordG.T.SpekmanR.E. (1981). Using marketing techniques to increase immunization levels: A field experiment, in MokwaM.P.PermutS.E. (Eds.). Government Marketing: Theory and Practice, New York, NY: Praeger Publishers, 304–317.
2.
FreedmanJ.L.FraserS.C. (1966). Compliance without pressure: The foot-in-the-door technique. Journal of Personality and Social Psychology, 4, 195–202.
3.
PeltierB.TelchM.J.CoatesT.J. (1982). Smoking cessation with adolescents: A comparison of recruitment strategies. Addictive Behaviors, 7, 71–73.
4.
PlinerP.HartH.KohlJ.SaariD. (1974). Compliance without pressure: Some further data on the foot-in-the-door. Journal of Experimental Social Psychology, 10, 17–22.
5.
ScottC.A. (1977). Modifying socially-conscious behavior. The foot-in-the-door technique. Journal of Consumer Research, 4, 156–164.