Default Effect

A study from researchers at the Perelman School of Medicine showed that setting generic drugs as the default choice increased generic prescribing rates from 75.3% to 98.4%.

Offering a pre-selected option, or default, reduces the cognitive effort needed to make a decision.

See the full study here :

Patel, M. S., Day, S. C., Halpern, S. D., Hanson, C. W., Martinez, J. R., Honeywell, S., & Volpp, K. G. (2016). Generic medication prescription rates after health system–wide redesign of default options within the electronic health record. JAMA internal medicine, 176(6), 847-848.

Want to know more about biases?

The Less is Better Effect

Halo Effect

Curse of Knowledge