A thread through the archive
Essays tagged “p-hacking”. Follow an idea across the archive.
Scott Alexander responds to Robin Hanson's reply on medical effectiveness, clarifying interpretations and reiterating arguments about the limitations of insurance experiments in evaluating medical care.
Scott Alexander critically examines studies on preschool effects, finding mixed and inconsistent evidence for long-term benefits.
Scott Alexander examines a pseudoscientific claim about the Great Pyramid of Giza to illustrate how coincidences can appear more significant than they are, relating this to challenges in evaluating scientific studies.
Scott Alexander critiques a meta-analysis supporting psychic phenomena to illustrate flaws in scientific methodology and meta-analysis.
Scott Alexander reviews two papers exposing statistical manipulation techniques in psychology research and addiction treatment program evaluations.