Laboratory Animal Services Centre
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Sample Size

Calculating accurate group sizes are important both for scientific validity as well as animal welfare. Below are some information and resources that explain the reasons why sample size calculation is important and we hope that will assist you with your AEEC applications.

Ethics and Animal Numbers: Informal Analyses, Uncertain Sample Sizes, Inefficient Replications, and Type I Errors

Sample Size & Power Calculator

Below is an Excel file Power Calculator.

Simply fill out the white cells with expected Mean and Standard Deviation (SD) values.

You may save or print the file and submit as part of your AEEC application
power_calculator
File Size: 111 kb
File Type: xls
Download File




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