Research project:
A Behavioral Demonstration of Overprecision in Judgment
by Albert Mannes and Don Moore
Download a version of the paper here

Study 1a
Data file
Experimental stimuli (or at least the program to run it):
Experimental protocol: Study 1 Instructions.docx

Study 1b
Data file

Study 2 
Data file
Experimental protocol: Study 2 Instructions.docx

Supplementary materials:
Recruiting materials

Additional studies that didn't quite make it in to the published paper:
1. Verbal Protocol study:
Data file
Experimental protocol: EJM9 Instructions.docx

2. Study manipulating difficulty by using a familiar (weather in Berkeley, CA) or unfamiliar (Viedma, Argentina) topics:
Stimuli, data, and results