Mean Estimator Calculator in Meta-analysis

Mean Estimator Calculator is used to derive the mean from the median and interquartile. This is important to enhance the coherence of data used in meta-analysis.

Validated tools

Validated surveys and questionnaires to be used for data collection

Sample size calculation for a meta-analysis

Sample size calculation for a meta-analysis for better planning of study

Open Access Data in Medicine

The most comprehensive list of openly accessible data in medicine

Validated Survey Construction Guide

Develop your survey according to highest standards for research projects

Sample size calculation

Sample size calculation and effect size estimation for clinical studies

Survey sample size and representation

Sample size calculation for survey study and sample representation