Free, interactive references for researchers and students — built to take you from research problem to publishable analysis.
Start from your research problem: an interactive wizard guides you to the right research design — exploratory, descriptive, correlational, experimental, quasi-experimental, qualitative, or mixed methods — and walks you through variables, sampling, data collection, and analysis.
Design wizard 7 designs 5 step guides
A plain-language map of 48 statistical methods — when to use each one, when not to, assumptions, worked examples, and how to run it in R, Python, SPSS, and Excel, with APA-style reporting. Includes a “Which test should I use?” helper.
Which-test wizard 48 methods R · Python · SPSS · Excel
A searchable database of 45 established measurement scales in Management, HRM, OB, and Marketing — developers, reliability, validity evidence, licensing status, and how to cite. Compare up to three scales for the same construct side by side.
Compare scales 45 scales Licensing flags
Begin in the Methodology Navigator to choose a research design for your question. When your design calls for measuring constructs like engagement, satisfaction, or service quality, pick validated instruments in the Scale Finder. When your data are in, the Statistical Methods Atlas tells you which analysis fits, what to check, and how to report it.