Effect Size + Power Visualizer for T-tests

Instantly visualize the relationship between effect size, statistical power, and required sample size for independent-samples, paired-samples, and one-sample t-tests. This interactive tool calculates recommended participant numbers and provides APA-style reporting text for your dissertation or research report. Perfect for psychology students, thesis writers, and anyone planning power analyses.

Disclaimer

This tool is designed to assist psychology students and researchers with calculating effect size and APA styling. While we strive for accuracy, the output provided is for guidance purposes only.

The creators of this tool are not responsible for decisions made based on its output. Always ensure your work aligns with the requirements of APA academic or professional standards.