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Red Pill or Blue Pill? How Age Impacts Confirmation Bias

CSEF · 2019 Behavioral & Social Sciences

Mayra Arellano · Deer Valley High School, Antioch, Contra Costa County

Overview

Objectives The objective of the project is to determine whether age has an impact on confirmation bias. Methods A random sample of adolescents and adults were given an adapted version of Wason's 2-4-6 task to assess confirmation bias. Results The total presence of confirmation bias for each group, measured as the proportion of times a subject tried to prove their hypothesis, was compared to determine whether the data was statistically significant using an independent t-test and standard deviation. Conclusions It was statistically significant at the 95% level that the adult group had lower confirmation bias than the adolescent group. The project provides evidence that age does impact confirmation bias.

Summary statement

I found evidence that adults have lower confirmation bias than adolescents.

Help received

I designed and conducted the experiment myself. My teacher, Jeffery Adkins, reviewed my work.

Competition history

  • CSEF 2019 Behavioral & Social Sciences · Entry S0402

Resources

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