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142 Psychologia, 2008, 51, 142–155 FROM CHANGE BLINDNESS TO CHOICE BLINDNESS Petter JOHANSSON1), Lars HALL2) 1)The University of Tokyo, Japan, 2)Harvard University, U.S.A. and Sverker SIKSTRÖM3) 3)Lund University, Sweden The phenomenon of change blindness has received a great deal of attention during the last decade, but very few experiments have examined the effects of the subjective importance o