Abstract
Each of 37 college students was asked to rate and indicate how many times he had seen each movie in a list of 54 popular old movies to be used for assembling a college film festival. The student was then shown a set of ratings said to have been supplied by a committee selecting movies for the festival. Finally, he was asked to rerate each movie, giving the rating each movie would receive if he himself were added to the selection committee. Results supported a weighted average model in which the weight of a person’s initial rating on the composite rating was assumed to increase with the number of times he had seen the movie, and the weight of the committee’s rating was assumed to increase as a function of the number of committee members reported to have seen the movie.
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This paper was completed while the author was on research assignment from the University of Iowa to the University of California, San Diego. Additional support was provided by National Institute of Mental Health Grant MH 15828, awarded to the Center for Human Information Processing, University of California, San Diego, and by National Institute of Mental Health Grant MH 23911, awarded to the author.
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Levin, I.P. Combining personal and outside opinions: An information integration analysis. Bull. Psychon. Soc. 3, 44–46 (1974). https://doi.org/10.3758/BF03333388
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DOI: https://doi.org/10.3758/BF03333388