Easily perform Chi-Squared tests for independence and goodness-of-fit with this interactive calculator. Generate APA-style reports, explore results with tooltips, and visualize observed vs. expected frequencies — perfect for students, researchers, and educators.

An interactive educational tool for Bayesian Binomial Tests. Supports both single-sample and two-sample proportion analysis using Bayesian hypothesis testing with Beta priors. Includes Bayes Factor calculation, credible intervals, posterior plots, and APA-style write-up generation.

An interactive tool for performing Bayesian Independent Samples T-Tests with full APA reporting and evidence interpretation.

This tool will guide you through the key assumptions of Linear Regression step-by-step. For each assumption, consider your current understanding or preliminary checks you might have done, and select the option that best describes your situation.

Quickly analyse logical expressions with ease. Designed for students, instructors, and anyone working with formal logic, this tool generates full truth tables and helps visualize logical structure in real time.

See your statistics come to life. This visualizer helps you understand the relationship between effect size, sample size, and power — so you can plan smarter, write stronger, and publish with confidence.

Design your study with confidence. This calculator helps you determine the minimum sample size needed to detect meaningful effects — so your research is powered, precise, and publishable.

Need help choosing the right statistical test for your research? This smart decision tree helps you find the most appropriate analysis based on your study design, data type, and goals — no stats textbook required.

Quickly transform your summary statistics into clear, APA-style descriptions. Designed for researchers, students, and professionals who want fast, accurate narrative summaries of their group data — no statistical software needed.