Copy and paste the HTML below to add the Bystander Intervention Probability Calculator - Modeling the Diffusion of Responsibility to your website.
Approximate the chance of meeting someone who resembles you based on crowd size and the diversity of appearance traits.
Calculate required sample size for statistical significance. Determine power analysis, effect size requirements, and confidence intervals for scientific experiments and research studies.
Calculate Cohen's d effect size from two independent sample means and standard deviations.
Calculate the probability that at least two people in a group share the same birthday. Explore the famous birthday paradox phenomenon with interactive calculations.
Estimate the probability of axion–photon oscillations in a magnetic field using the Primakoff effect.
Estimate the diffusion coefficient of small particles in a fluid using the Stokes-Einstein equation.