Despite glowing reviews, a rigorous study shows experienced coders take longer to complete tasks with AI, while still ...

Defenders of Medicaid cuts point to the Oregon Health Insurance Experiment to argue that the cuts won’t harm people’s health.

Twenty years ago, cognitive psychologist Elizabeth Spelke took a strong position in an ongoing public debate. "There are no ...

The best available study found no improvements in mortality or any other physical health outcome from expanding Medicaid.

A randomized controlled experiment featuring more than 26,000 students across 22 4-year U.S. universities shows that the effects of a low-cost, brief online intervention focused on social ...

According to the researchers, this is the first study to compare matching grants with cash grants based on a randomized field experiment in a fragile context.

A Harvard study found that vitamin D supplements may help slow biological aging by protecting telomeres, the protective caps on DNA. Over four years, ...

More to the point, in a randomized controlled experiment, researchers found that when a female entrepreneur is guided by a female mentor, her sales increased by an average of 32%.

A randomised controlled trial is an experiment that is designed to isolate the influence that a certain intervention or variable has on an outcome or event.