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# The Love of Large Numbers: A Popularity Bias in Consumer Choice ## Online Supplementary Materials These are online supplemental materials to accompany "The Love of Large Numbers: A Popularity Bias in Consumer Choice", an article by Derek Powell, Jingqi Yu, Melissa DeWolf, and Keith J. Holyoak appearing in *Psychological Science*. ### Reproducible Report report.Rmd: An R markdown document to reproduce figures and statistical analyses from the paper. The final section of this report explores some additional analyses not included in the paper. ### Data Files Exp1_Data_raw.xlsx: Raw participant-level data for experiment 1 Exp2_Data_raw.xlsx: Raw participant-level data for experiment 2 exp1exp2_data.csv: Trial-level data for experiments 1 and 2 (to be read into R for analysis) output_*.csv: data files with model predictions for various settings rev_avgs*.csv: amazon review data files ### Matlab Code Matlab code files are used to generate predictions from the model. #### Files bayesRev.m: generates posterior prediction (function) bayes_rev_product_compare.m: generates predictions for the model over a range of values model_fits.m: generates model predictions for experimental conditions cell_prior.mat: empirical prior for cell phones & accessories category ### Experimental Materials Summary of experimental conditions and actual materials presented to participants. #### Files SOM_tables.docx: Tables summarizing all experimental conditions Materials_exp1.pdf: Experimental stimuli and instructions shown to participants for experiment 1 Materials_exp2.pdf: Experimental stimuli and instructions shown to participants for experiment 2