New York—Take two equivalently qualified job candidates. One is known to be a parent. The other is not a parent.

With experimental scenarios like these, researchers have found substantial evidence of bias against mothers. In the studies of Shelley Correll, a professor of sociology at Stanford, childless women were roughly twice as likely to be called back or recommended for hire by an employer. And when childless women were recommended for a job, they were offered salaries approximately $11,000 higher….

Read more in The Chronicle of Higher Education.