n4Studies 2.3

n4Studies offers a straightforward approach to calculating sample size and study power, streamlining the planning process for research design. While it is provided without any warranty, it serves as a useful tool for quickly learning and applying sample size and power calculations.

Key features include:

• Calculation of sample size for estimating an infinite or finite population mean
• Calculation of sample size for estimating an infinite or finite population proportion
• Determination of sample size needed when comparing two population means or two proportions
• Sample size calculation for various study designs, including Case-Control, Matched Case-Control, Cohort studies, Randomized Controlled Trials, Non-inferiority and Equivalence trials
• Computation of study power when comparing two means or two proportions
• Power analysis for different study types such as Case-Control, Cohort, RCTs, and others
• The ability to export results via email for collaboration purposes