A new University of Barcelona study reveals the first empirical genetic evidence of human self-domestication, a hypothesis that humans have evolved friendlier and more cooperative by selecting ...

Nature Reviews Neuroscience - Experimental power comes from powerful theories — the real problem in null hypothesis testing Skip to main content Thank you for visiting nature.com.

Although formulated in 1984, this hypothesis too is still in need of experimental verification. The pathophysiological basis of depression in PD may also influence the clinical approach to treatment.

Deborah E. Goldberg, Patricia A. Werner, Equivalence of Competitors in Plant Communities: A Null Hypothesis and a Field Experimental Approach, American Journal of Botany, Vol. 70, No. 7 (Aug., 1983), ...