Null hypothesis vs. hypothesis, which is the right choice? When you get into the different methods of analyzing data, there is no shortage of tools at your disposal. Understanding the difference ...

This article will explain when it is appropriate to use a paired t-test versus an unpaired t-test, as well as the hypothesis and assumptions of each.<br /><br /> ...

When it comes to science, however, they mean something very specific; and knowing the difference between them can help you better understand the world of science as a whole.

These responses prompted a discussion about the difference between observations, hypotheses, assumptions, and facts, and what role they play in the session--as well as in people's lives.

I applaud Edward Kimball's explanation of the difference between assumption and hypothesis (May 25), but I think his narrative concerning theory warrants some comment.