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How to actually use Vahtian — browser tools you can try right now, a guide for each product, and the open-source methods packages. Research methods in plain language.
Try it in your browser — no install, nothing uploads
Citation Integrity Quick CheckPaste a manuscript paragraph; flag citation-risk wording.
Qualitative Claim Quick CheckPaste findings; flag ungrounded themes and over-reach.
Codebook Builder & CheckBuild a thematic-analysis codebook and check its structure.
Sample-size explorerMove the design parameters; watch N and its stability respond.
SynthVahtiPool agreement across studies into forest & funnel figures.
CiteVahtiCheck whether a cited source supports a specific claim.
Tool guides — what each product does, and when to use it
StudyVahtiPlan a defensible study before data collection.
MethodVahtiDefend a qualitative sampling decision, honestly.
ReviewVahtiInter-rater reliability for systematic-review screening.
DictVahtiClean a REDCap data dictionary before analysis.
ExtractVahtiData extraction & risk-of-bias for diagnostic-accuracy reviews.
GuidelineVahtiPanel consensus (RAND/UCLA + Delphi) with GRADE.