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Explore sample bias analysis reports. Each example showcases different aspects of our comprehensive methodology assessment.
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The Retraction Landmine: Wakefield MMR/Autism Study
The infamous 1998 paper that sparked the anti-vaccine movement. Fully retracted for fraud, data fabrication, and ethical violations. Shows how Paper Integrity catches retracted papers.
The Replication Failure: Ego Depletion Study
Highly influential psychology paper (7,000+ citations) whose findings failed to replicate in large pre-registered studies. A cautionary tale of small-sample research.
The Hidden Conflict: VIGOR/Vioxx Trial
Landmark pharma trial that downplayed cardiovascular risks. NEJM issued an Expression of Concern. Vioxx was later withdrawn after causing ~100,000 heart attacks.
The Methodology Minefield: Power Posing Study
Famous 'power pose' study claiming 2-minute poses change hormones. Lead author has publicly disavowed it. Hormonal findings failed to replicate.
The Preprint Pitfall: Surgisphere HCQ Study
Fraudulent COVID-19 study claiming hydroxychloroquine harm. Data came from a company whose database likely never existed. Retracted within 2 weeks.
The Gold Standard: RECOVERY Trial
Exemplary COVID-19 trial showing dexamethasone saves lives. Large, pre-registered, independent, transparent. This is what high-quality evidence looks like.
The Cell Biology Classic: Src-Integrin Regulation
Foundational 1999 Nature Cell Biology paper on integrin-cytoskeleton interactions. 259 citations, clean record. Shows how Paper Integrity handles legitimate, well-conducted research.
CRISPR-Cas9 Gene Editing for Sickle Cell Disease and β-Thalassemia
Groundbreaking NEJM trial demonstrating CRISPR gene editing as a functional cure for sickle cell disease. High methodological rigor with novel therapeutic approach.
Semaglutide and Cardiovascular Outcomes in Patients with Type 2 Diabetes
SUSTAIN-6 trial published in NEJM showing cardiovascular benefits of semaglutide. Industry-funded but well-designed with pre-registration.
Effects of Psilocybin-Assisted Therapy on Major Depressive Disorder
Randomized clinical trial in JAMA Psychiatry testing psilocybin for depression. Small sample size but rigorous design with waitlist control.
Highly Accurate Protein Structure Prediction with AlphaFold
DeepMind's AlphaFold2 paper in Nature — revolutionized structural biology. Computational study with extensive validation against experimental structures.