Strength- Supporting evidence
-Strength of research into situational variables is supporting research
-In field experiment in New York, Brickman had 3 confederates in 3 different outfits
-Jacket and tie, milkman and security guard outfit.
-Confederates stood in street and asked passersby to perform a task.
-People were twice likely to obey to man dressed as security guard
-Supports conclusion that obedience can be influenced by uniform