Free, citation-ready instruments for serious researchers
Built by the Gurjas team on the methods we publish with. Free to use, no sign-up required, each grounded in the peer-reviewed literature it cites. All computation runs in your browser — your data never leaves your device.
SEM Sample Size Calculator
A-priori sample size for structural equation modeling: Westland's lower bound, Fisher-z power analysis and N:q heuristics — with a copy-ready, fully cited justification paragraph for your methods chapter.
Reliability & Validity Quick Kit
Composite reliability and AVE from your standardised loadings, plus Cronbach's alpha from raw data — interpreted against Fornell & Larcker, Hair et al. and Nunnally thresholds.
PhD Timeline Planner
Registration date in, milestone plan out — aligned to the UGC PhD Regulations 2022 timeframes, printable, with the honest sequencing most scholars discover too late.
Grant Deadline Tracker
ICSSR, ANRF and allied funding calls for Indian researchers on one page, reviewed monthly, every row linked to its official source.
Predatory Journal Risk Checker
Guided verification against Scopus, Web of Science, DOAJ and UGC-CARE, plus a twelve-signal red-flag assessment with a shareable verdict link. Reports signals; never defames.
NAAC Readiness Scorecard
Twenty questions mapped to the seven NAAC criteria — instant traffic-light scoring, criterion bars and your top five remediation priorities, printable for the IQAC file.
These tools support planning; they do not replace methodological judgement or formal advice. Suggestions welcome at [email protected].