Studies // Cited work
False-positive psychology: Undisclosed flexibility in data collection and analysis allows presenting anything as significant
Simmons, J. P., Nelson, L. D., & Simonsohn, U. (2011). False-positive psychology: Undisclosed flexibility in data collection and analysis allows presenting anything as significant.
Level B Experiment doi:10.1177/0956797611417632
What this study supports
Supports the claim that undisclosed flexibility in data collection, analysis and reporting can raise false-positive rates far above the nominal level. The experiments were deliberate demonstrations; the paper does not estimate how common such practices are.
- Who was studied
- Computer simulations plus two experiments demonstrating flexible analysis.
- Design
- Experiment
- Level of evidence
- Controlled studies: randomised or experimental designs, and syntheses of correlational work.
Claims that rest on it
No claim in the ledger rests on this work yet.