The perceived size of an object depends not only on the size of its retinal projection but also its context. Many illusions demonstrate the effect of context on perceived target size, such as the ...

Decisions on regulatory approval of drugs are based typically on randomized trials observing statistically significant superiority of an experimental agent over an established standard. Recently, the ...

Does it matter how effect sizes are communicated to non-academic audiences? Two new studies illustrate the malleability of statistical perception. One paper examined how educational effects are ...