M. R. Banaji, C. Hardin, and A. J. Rothman, Implicit stereotyping in person judgment, Journal of Personality and Social Psychology, vol.65, pp.272-281, 1993.

J. A. Bargh, The four horsemen of automaticity: Awareness, intention, efficiency, and control in social cognition, Handbook of social cognition, vol.1, pp.1-40, 1994.

J. A. Bargh, M. Chen, and L. Burrows, Automaticity of social behavior: Direct effects of trait construct and stereotype activation on action, Journal of Personality and Social Psychology, vol.71, pp.230-244, 1996.

L. Barkworth, S. Hibbert, S. Horne, and S. Tagg, Giving at risk? Examining perceived risk and blood donation behavior, Journal of Marketing Management, vol.18, pp.905-922, 2002.

L. Berkowitz and A. Lepage, Weapons as aggression-eliciting stimuli, Journal of Personality and Social Psychology, vol.7, pp.202-207, 1967.

S. S. Brehm and J. W. Brehm, Psychological reactance, 1981.

J. M. Burger, N. Messian, S. Patel, A. Del-prado, and C. Anderson, What a coincidence! The effects of incidental similarity on compliance, Personality and Social Psychology Bulletin, vol.30, pp.35-43, 2004.

R. Cialdini and K. Ascani, Test of a concession procedure for inducing verbal, behavioral and further compliance with a request to give blood, Journal of Applied Psychology, vol.61, pp.295-300, 1976.

R. B. Cialdini, J. T. Cacioppo, R. Basset, and J. A. Miller, Low-ball procedure for producing compliance: Commitment then cost, Journal of Personality and Social Psychology, vol.36, pp.463-476, 1978.

R. B. Cialdini, J. E. Vincent, S. K. Lewis, J. Catalan, D. Wheeler et al., Reciprocal concessions procedure for inducing compliance: The door-in-the-face technique, Journal of Personality and Social Psychology, vol.31, pp.206-215, 1975.

B. Danic and J. Lefrère, De vousàvous`vousà moi, donnez votre sang, 2008.

F. Paris,

R. J. Donovan and J. R. Rossiter, Store atmosphere: An environmental psychology approach, Journal of Retailing, vol.58, pp.35-57, 1982.

J. Dunyon, V. Gossling, S. Willden, and J. S. Seiter, Compliments and purchasing behavior in telephone sales interactions, Psychological Reports, vol.106, pp.27-30, 2010.

R. A. Feinberg, Credit cards as spending facilitating stimuli: A conditioning interpretation, Journal of Consumer Research, vol.13, pp.348-356, 1986.

J. Fischer-lokou, L. Lamy, and N. Guéguen, Induced cognitions of love and helpfulness to lost persons, Social Behavior and Personality, vol.37, pp.1213-1220, 2009.

R. Foss and C. Dempsey, Blood donation and the foot-in-the-door technique: A limiting case, Journal of Personality & Social Psychology, vol.37, pp.580-590, 1979.

J. L. Freedman and S. C. Fraser, Compliance without pressure: The foot-inthe-door technique, Journal of Personality and Social Psychology, vol.4, pp.195-202, 1966.

T. W. Gillespie and C. D. Hillyer, Blood donors and factors impacting the blood donation decision, Transfusion Medicine Reviews, vol.16, pp.115-130, 2002.

G. Godin, P. Sheeran, M. Conner, and M. Germain, Asking questions changes behavior: Mere measurement effects on frequency of blood donation, Health Psychology, vol.27, pp.179-184, 2008.

N. Guéguen, Helping with all your heart: The effect of cardioid dishes on tipping behavior, Journal of Applied Social Psychology

N. Guéguen, C. Jacob, and V. Charles-sire, Helping with all your heart: The effect of cardioid cues on compliance with a humanitarian aid request, Social Marketing Quarterly, vol.17, pp.2-11, 2011.

E. Hatfield, What do women want from love and sex?, Changing boundaries, pp.103-134, 1983.

T. Horvitz and A. R. Pratkanis, A laboratory demonstration of the fraudulent telemarketers' 1-in-5 prize tactic, Journal of Applied Social Psychology, vol.31, pp.310-317, 2002.

C. Jacob, N. Guéguen, and G. Boulbry, Presence of various figurines on a restaurant table and consumer choice: Evidence for an associative link, Journal of Foodservice Business Research, vol.14, pp.47-52, 2011.

R. Joule, F. Gouilloux, and F. Weber, The lure: A new compliance procedure, The Journal of Social Psychology, vol.129, pp.741-749, 1989.

C. Kleinke, Compliance to requests made by gazing and touching experimenters in field settings, Journal of Experimental Social Psychology, vol.13, pp.218-223, 1977.

C. Kleinke, Interaction between gaze and legitimacy of request on compliance in a field setting, Journal of Nonverbal Behavior, vol.5, pp.3-12, 1980.

L. Lamy, J. Fischer-lokou, and N. Guéguen, Semantically induced memories of love and helping behavior, Psychological Reports, vol.102, pp.418-424, 2008.

L. Lamy, J. Fischer-lokou, and N. Guéguen, Induced reminiscence of love and chivalrous helping, Current Psychology, vol.28, issue.3, pp.202-209, 2009.

L. Lamy, J. Fischer-lokou, and N. Guéguen, Valentine Street promotes chivalrous helping, Swiss Journal of Psychology, vol.69, pp.169-172, 2010.
URL : https://hal.archives-ouvertes.fr/hal-01765150

M. Mccall and H. Belmont, Credit card insignia and restaurant tipping: Evidence for an associative link, Journal of Applied Psychology, vol.81, pp.609-613, 1996.

A. Mehrabian and J. A. Russell, An approach to environmental psychology. Cambridge, 1974.

V. G. Morwitz, E. Johnson, and D. Schmittlein, Does measuring intent change behavior?, Journal of Consumer Research, vol.20, pp.46-61, 1993.

R. M. Perrine and S. Heather, Effects of picture and even-a-penny-will-help appeals on anonymous donations to charity, Psychological Reports, vol.86, pp.551-559, 2000.

A. R. Pratkanis, The science of social influence, 2007.

, The Journal of Pyschology

E. K. Sadalla, D. T. Kenrick, and B. Vershure, Dominance and heterosexual attraction, Journal of Personality and Social Psychology, vol.52, pp.730-738, 1987.

H. Solomon, L. Zener-solomon, M. Arnone, B. Maur, R. Reda et al., Anonymity and helping, The Journal of Social Psychology, vol.113, pp.37-43, 1981.

R. B. Van-baaren, R. W. Holland, K. Kawakami, and A. Van-knippenberg, Mimicry and prosocial behaviour, Psychological Science, vol.14, pp.71-74, 2004.

R. A. Wicklund, Freedom and reactance, 1974.

Y. Zemack-rugar, J. R. Bettman, and G. J. Fitzsimons, The effects of nonconsciously priming emotion concepts on behavior, Journal of Personality and Social Psychology, vol.93, pp.927-939, 2007.

, Original manuscript received, 2011.