R B Cialdini

Altruism as hedonism: a social development perspective on the relationship of negative mood state and helping.

R. Cialdini, D. Kenrick, D T Kenrick, 1976, Journal of personality and social psychology.

Empathy-based helping: is it selflessly or selfishly motivated?

A. L. Beaman, R. Cialdini, M. Schaller, 1987, Journal of personality and social psychology.

Test of a concession procedure for inducing verbal, behavioral, and further compliance with a request to give blood.

R. Cialdini, R B Cialdini, K Ascani, 1976, The Journal of applied psychology.