Denver Developmental Screening Test

The Denver Developmental Screening Test (DDST), commonly known as the Denver Scale, is a test for screening cognitive and behavioral problems in preschool children. It was developed by William K. Frankenburg and first introduced by him and Josiah.B. Dobbs in 1967. The test was previously marketed by Denver Developmental Materials, Inc., in Denver, Colorado, hence the name. As of June 8, 2015, the company has closed. However, the test, manuals, and other materials are available at no cost online at www.DenverII.com. The test kit can be ordered from Oxford,England, at www.hogrefe.co.uk. The test can be used in electronic medical records for free.