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TY - GEN ID - cogprints2820 UR - http://cogprints.org/2820/ A1 - Zizzo, Daniel John TI - Preliminary Experimental Results on the Similarity Function in 2x2 and 3x3 Games Y1 - 2003/// N2 - This paper employs two experimental datasets to assess along what dimensions agents evaluate whether two 2x2 or 3x3 games are similar. The Euclidean distance between the payoffs, the absolute difference in game harmony and the difference in mean and standard deviation between the games are all significant components of the estimated similarity function, and so is whether the two games have zero, unique or multiple pure Nash equilibria. However, our explanatory power is limited: substantial extra information can be gathered by collecting similarity evaluation data rather than relying just on our observable proxies. AV - public KW - similarity KW - games KW - game harmony KW - cognition ER -