The DDST was revised and re-standardised in 1990 giving rise to the Denver II, which provides a more relevant, thorough test to screen for developmental delays. Record Forms for scoring the test are available and a Manual contains full details of standardisation and a series of problems with their corresponding answers arranged in a series of lessons. (The test has now been standardised in Great Britain). There is a discussion in the literature of validity studies correlating the DDST with other tests of a similar nature. The record form is laid out in such a way that the user can compare an individual child's performance with the standardised group. Materials include a test kit containing items packed into a convenient small carrying bag, record forms and a manual. The Denver II is used by healthcare providers to assess child development.
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