Is he both R. Epstein and E. Williams? Are you saying the E. Williams disagrees with his methods and findings?
Epstein, R., Ding., M., Mourani, C., Olson, E., Robertson, R.E., & Tran, F. (2017, April).
Multiple searches increase the impact of the Search Engine Manipulation Effect (SEME).
Paper presented at the 97th annual meeting of the Western Psychological Association,
Sacramento, CA. https://aibrt.org/downloads/EPSTEIN_et_al._2017-WPAMultiple_Searches_Increase_the_Impact_of%20_the_Search_Engine_Manipulation_Effe
ct.pdf
Epstein, R., Mourani, C., Olson, E., & Robertson, R.E. (2017, April). Biased search
rankings can shift opinions on a wide range of topics. Paper presented at the 97th annual
meeting of the Western Psychological Association, Sacramento, CA.
https://aibrt.org/downloads/EPSTEIN_et_al._2017-WPABiased_Search_Rankings_Can_Shift_Opinions_on_a_Wide_Range_of_Topics.pdf
Epstein, R., & Robertson, R.E. (2017c, June 1). A method for detecting bias in search
rankings, with evidence of systematic bias related to the 2016 presidential election. Vista,
CA: American Institute for Behavioral Research and Technology, White Paper no. WP17-02. Retrieved from https://aibrt.org/downloads/EPSTEIN_&_ROBERTSON_2017-
A_Method_for_Detecting_Bias_in_Search_Rankings-AIBRT_WP-17-02_6-1-17.pdf
Epstein, R., & Robertson, R.E. (2017b, March). The Search Engine Manipulation Effect
(SEME): Understanding its power to change opinions and votes. Paper presented at the
2nd biennial meeting of the International Convention of Psychological Science, Vienna,
Austria.
11
DC.
Epstein, R., & Robertson, R. (2017a). Suppressing the Search Engine Manipulation
Effect (SEME). Proceedings of the ACM: Human-Computer Interaction, 1(2), Article 42.
https://aibrt.org/downloads/EPSTEIN_et_al-2017-
Suppressing_the_Search_Engine_Manipulation_Effect_(SEME).pdf
Epstein, R., Robertson, R., Shepherd, S., & Zhang, S. (2017, April). A method for
detecting bias in search rankings, with evidence of systematic bias related to the 2016
presidential election. Paper presented at the 97th annual meeting of the Western
Psychological Association, Sacramento, CA.
https://aibrt.org/downloads/EPSTEIN_et_al_2017-SUMMARY-WPAA_Method_for_Detecting_Bias_in_Search_Rankings.pdf
There are quite a few other researchers names on those presentations with his.