A famous study of this phenomenon involved subjects asked to judge the attitudes of speakers giving speeches both for and against the Castro regime.  
A famous study of this phenomenon involved subjects asked to judge the attitudes of speakers giving speeches both for and against the Castro regime.  Subjects continued to rank the tones of pro-Castro speakers as more positive even when learning that speakers had chosen the topic of their speeches by the flip of a coin.  FTP, name this concept from social psychology in which observers attribute more influence to a person's traits than to environmental factors, also known as the actor/observer bias.
A famous study of this phenomenon involved subjects asked to judge the attitudes of speakers giving speeches both for and against the Castro regime.  
Fundamental Attribution Error (prompt on actor/observer bias)