Kate Mills: Only "Scientists" Can Do Science

What we think we know about ourselves through science could be skewed, since the majority of psychology studies sample individuals who do not represent the population on a whole. These WEIRD (Western, Educated, Industrialized, Rich, Democratic) samples make up the majority of non-clinical neuroimaging studies as well. Increased awareness of this bias has prompted researchers to actively seek out more representative samples. However, there is less discussion or awareness around the potential b...

 Publication Bias Produces a "Decline Effect"

Jennions, similarly, argues that the decline effect is largely a product of publication bias, or the tendency of scientists and scientific journals to prefer positive data over null results, which is what happens when no effect is found. The bias was first identified by the statistician Theodore Sterling, in 1959, after he noticed that ninety-seven per cent of all published psychological studies with statistically significant data found the effect they were looking for. A “significant” result...