1.social comparison of power:interpersonal versus intergoup effects
Marius Van Mike,Matthijs Poppe
Group Dynamics,Volumn8,Issue1,March 2004,pages13-26
2.How Dissimilar Others May Still Resemble the Self:Assimilation and Contrast after Social Comparison
Michael Hafner
Journal of Consumer Psychology,Volumn14,Issue1-2,2004.pages187-196
3.Assimilation and Contrast Effects in Performance Ratings:Effects of Rating the Previous Performance on Rating Subsequent Performance
H.Canan Summer,Patrick A,Knight
Journal of Applied Psychology, Volumn 81,Issue4,August1996,pages436-442