Westfall, Jacob

Treating stimuli as a random factor in social psychology: a new and comprehensive solution to a pervasive but largely ignored problem

Judd, C. M., Westfall, J., & Kenny, D. A. (2012) · Journal of Personality and Social Psychology

Statistical Methods and Bayesian InferencePsychometric Methodologies and Testing

Cited by 1,236

Statistical power and optimal design in experiments in which samples of participants respond to samples of stimuli.

Westfall, J., Kenny, D. A., & Judd, C. M. (2014) · Journal of Experimental Psychology: General

Optimal Experimental Design MethodsStatistical Methods and Bayesian Inference

Cited by 928

Statistically controlling for confounding constructs is harder than you think

Westfall, J., & Yarkoni, T. (2016) · PLOS ONE

Psychometric Methodologies and TestingStatistical Methods and Bayesian Inference

Cited by 547

Experiments with More Than One Random Factor: Designs, Analytic Models, and Statistical Power

Judd, C. M., Westfall, J., & Kenny, D. A. (2017) · Annual Review of Psychology

Statistical Methods and Bayesian InferenceOptimal Experimental Design Methods

Cited by 466

Perceiving Political Polarization in the United States: Party Identity Strength and Attitude Extremity Exacerbate the Perceived Partisan Divide

Westfall, J., Van Boven, L., Chambers, J. R., & Judd, C. M. (2015) · Perspectives on Psychological Science

Electoral Systems and Political ParticipationSocial and Intergroup Psychology

Cited by 363

Modeling stimulus variation in three common implicit attitude tasks

Wolsiefer, K., Westfall, J., & Judd, C. M. (2017) · Behavior Research Methods

Social and Intergroup PsychologyPsychometric Methodologies and Testing

Cited by 73