The Null Institute / Publications
Research Reports
Research reports and formal research records. These include completed analyses, evidence syntheses and archival research indexes; a research record is not necessarily a peer-reviewed paper.
8 records
Data Integrity in a 28-Country Political Image Study: Research Index
Independent audit of 79,500 political candidate images identifies inconsistent happiness denominators and incompatible image-coordinate frames. Primary expression regressions reproduce; close-up analysis remains scale-sensitive. Includes full report, source code and checksums.
Blood Pressure Reclassification in NHANES 2021–2023: Research Index
Research index entry: survey-weighted NHANES reanalysis of 6,100 adults, with 16.41% changing US category between first reading and mean of three. Read the full report at the original URL.
Occupational Mortality in Spain: An Age-Standardised INE Reanalysis, 2022–2023
Official INE reanalysis of employed adults aged 35–64. An elementary-to-scientific occupation mortality indicator ratio of 1.99 in men versus 1.30 in women, independently checked across 108 source cells; not causal or life expectancy.
Completed Does Not Mean Verified: An Audit of an Autonomous AI Research Lab
A retrospective audit of an autonomous AI research lab found completed workflows with unresolved answers, reproducible calculations, and an uncertainty heuristic given more statistical authority than it deserved. Based on recovered PostgreSQL records and computational artifacts.
Continuous White and Pink Noise for Sleep: What Survives Controlled Testing?
A falsification-oriented evidence synthesis separating environmental-noise masking from the stronger claim that continuous white or pink noise directly improves sleep.
How Much of Migrant Life-Satisfaction Convergence Is Measurement?
An ESS1–11 replication of migrant destination convergence followed by a direct response-style falsification test. Migrants adopt some destination scale-use habits, but those changes do not account for the full life-satisfaction convergence signal.
A Strong Short-Term Mortality Association That Attenuated in a Later Mortality Linkage
Replication of a reported NHANES underhydration–mortality association followed by a prespecified reanalysis using the 2019 mortality linkage. The original short-follow-up association was reproducible, but its magnitude attenuated from about HR 2.3 to HR 1.095 in the later mortality vintage.
Two-Day Stability of Low Total-Moisture Intake in NHANES 2011–2012
Exploratory reanalysis of NHANES 2011–2012 showing that repeated low total-moisture intake is moderately stable and is associated with more concentrated spot urine, while a one-day low-intake label contains substantial day-to-day noise.