{{cite journal |last=The Data Nerd |title=Why we don't pre-report statistical tests on cross-sectional questions |journal=SSRN Electronic Journal |year=2026 |doi=10.2139/ssrn.6606558 |url=https://signals.gitdealflow.com/research/no-prefab-statistical-tests-on-cross-sections |publisher=VC Deal Flow Signal (GitDealFlow) |orcid=0009-0002-2222-4112 |at=§4.3 Heterogeneity}}