We propose these experiments to test ... has decided to strongly emphasize hypothesis-based research in the PhD qualifier. A hypothesis is a proposed explanation for a phenomenon. For a hypothesis to ...

A hypothesis is an idea about how something works that can be tested using experiments ... observations are developed into questions. For example, it may be thought that a heavy ball would ...

Broadly speaking, there are two competing hypotheses on the origin of modern humans: the Out-of-Africa hypothesis and the multiregional hypothesis. Both agree that Homo erectus originated in ...

A hypothesis is an idea about how something works that can be tested using experiments ... observations are developed into questions. For example, it may be thought that a heavy ball would ...