Cluster Sampling Calculator. The analysis of data collected via cluster sampling can be complex and time-consuming. If the DEFF and average number per cluster are provided the ICC is calculated using the formula ICCDEFF-1k-1.
Enter parameters in the red cells. Cluster sampling is time- and cost-efficient especially for samples that are widely geographically spread and would be difficult to properly sample otherwise. Stat Treks Sample Size Calculator can help.
The STEPS Sample Size Calculator and Sampling Spreadsheet are Excel files that can assist you in first determining the size of your sample and then in drawing a sample from your sampling frame.
Although the t-test will be used to compare the means this calculator approximates the t-statistic with the z-statistic. General as cluster size increases. If the DEFF and average number per cluster are provided the ICC is calculated using the formula ICCDEFF-1k-1. Click on file and select New Difference Detectable.
