Research and statistical analysis help us understand how the world works, how effective medications and treatments are, what influences our health, the best approach for business practices, and much ...

Hypothesis testing is a formal procedure for investigating our ideas about the world using statistics. It is most often used by researchers to test predictions, called hypotheses. The first step in ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Does email substitute for or augment in-person and phone contact? Since the internet became popular, analysts have wondered about the relationship between email and other means of social contact. Some ...

New findings contradict previous notions about sugar's role in the onset of diabetic cataracts. Using an animal model that more closely recapitulates type 2 diabetes in humans, the research team found ...

Source: Released under the GFDL by en:User:TheBrain on 20 May 2003 For my first few posts on Psychology Today, I wanted to give an overview of the most popular theories about the brain basis of autism ...