Reliability and Stability of the Denver Developmental Screening Test

Tester-observer agreement and test-retest stability of the Denver Developmental Screening Test (DDST) were evaluated with 76 and 186 subjects, respectively. The correlation coefficients for mental ages obtained at a 1-week interval were calculated for 13 age groups between 1.5 months and 49 months....

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Bibliographic Details
Published in:Child development 1971-11, Vol.42 (5), p.1315-1325
Main Authors: Frankenburg, William K., Camp, Bonnie W., van Natta, Pearl A., Demersseman, John A., Voorhees, Susan F.
Format: Article
Language:English
Subjects:
Age groups
Child
Child, Preschool
Children
Cubes
Developmental Disabilities - diagnosis
Feet
Female
Humans
Infant
Infants
Intelligence Tests
Male
Raisins
School age children
Screening tests
Test ranges
Vocal imitations
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Summary:Tester-observer agreement and test-retest stability of the Denver Developmental Screening Test (DDST) were evaluated with 76 and 186 subjects, respectively. The correlation coefficients for mental ages obtained at a 1-week interval were calculated for 13 age groups between 1.5 months and 49 months. Coefficients ranged between .66 and .93 with no age trend displayed. On individual test items tester-observer agreement was, generally, greater than the test-retest stability. There was a higher percentage of passable by report items in the group of items with high test-retest stability. The high tester-observer reliability and test-retest stability and validity of the DDST, together with the ease with which the test can be learned, administered, and interpreted, make it a useful screening instrument.
ISSN:0009-3920
1467-8624
DOI:10.2307/1127901