Highwoods

Last week I gave a course about design of experiments at a major life science research institute. The audience was mainly young PhD students. There were hardly any post-docs or research leaders. I assume because post-docs and research leaders think they don’t need training in design of experiments anymore. Anyhow. I just want to give a picture of the audience to indicate that they are not at the top of the food chain. They need to struggle for a piece of a bench or a growth c

The difference test starts from a hypothesis that claims the absence of a difference and by rejecting it, you make inferences about the existence of the difference. But what to do if you actually would like to prove the absence of a difference or equivalence? Can we use the same procedures? No, we cannot... The requirement of equivalence is not that uncommon. For instance a new wheat variety has a superior baking quality, but it is lower yielding than a reference wheat variet