This argument map provides a template for the testing of hypotheses in biomedical research. It can be used in science education to direct students' attention to all components that need to be clarified to justify a scientific hypothesis in a specific experimental setting, including the justification of appropriate sample sizes in experiments, determination of background theories, description of experimental design, data collection methods, significance level, etc. To use this template, go to http://agora.gatech.edu/, search for argument map 3363, and copy the map.