Department of Psychology

Dr. Natalie A. Obrecht

natalie Aug15.jpg

Office:   Science 2055; Numerical Cognition and Inference Lab, Science 2044
Phone:   973-720-2683
Office Hours:   WR 9:30-10:30am and by appointment

Department: Psychology
Position: Associate Professor
Area Specialization: Cognitive

Dr. Obrecht is listed as Natalie Lindemann in the course schedule.



Statistical inference and judgment, numerical representation, Bayesian reasoning, risk communication, dual process theory (c.v.)


Obrecht, N. A. & Chesney, D. L. (2013). Sample representativeness affects whether judgments are influenced by base rate or sample size. Acta Psychologica, 142, 370-382.

Obrecht, N. A., Anderson, B, Schulkin, J., & Chapman, G. B. (2012). Retrospective frequency formats promote consistent experience-based Bayesian judgments. Applied Cognitive Psychology 26, 436-440.

Chesney, D. L. & Obrecht, N.A. (2012). Statistical judgments are influenced by the implied likelihood that samples represent the same population. Memory & Cognition, 40, 420-433.

Anderson, B.L., Obrecht, N.A., Chapman, G. B., Driscoll, D., & Schulkin J. (2011). Physicians' communication of Down syndrome screening test results: The influence of physician numeracy. Genetics in Medicine, 13, 744-749.

Obrecht, N. A., Chapman, G. B., & Suárez, M. T. (2010). Laypeople do use sample variance: The effect of embedding data in a variance-implying story. Thinking & Reasoning, 16, 26-44.

Obrecht, N. A., Chapman, G. B., & Gelman, R. (2009). An encounter frequency account of how experience affects likelihood estimation. Memory & Cognition, 37, 632-643.

Obrecht, N. A., Chapman, G. B., & Gelman, R. (2007). Intuitive t-tests: Lay use of statistical information. Psychonomic Bulletin & Review, 14, 1147-1152.


Obrecht, N. A. 1 & Chesney, D. L. (2015). Support for a deliberative failure account of base rate neglect: Prompting deliberation increases base-rate use. In Noelle, D. C., Dale, R., Warlaumont, A. S., Yoshimi, J., Matlock, T., Jennings, C. D., & Maglio, P. P. (Eds.), Proceedings of the 37th Annual Conference of the Cognitive Science Society (1757-1762). Pasadena, CA: Cognitive Science Society.

Chesney, D. L. & Obrecht, N.A. (2011).Adults are sensitive to variance when making likelihood judgments. In L. Carlson, C. Hölscher, & T. Shipley (Eds.),  Proceedings of the 33rd Annual Conference of the Cognitive Science Society (3134-3139). Austin, TX: Cognitive Science Society.