The DAB-4 has 8 subtests which identify students' strengths and weaknesses across important areas of school achievement. A supplemental manual shows how to probe student responses to obtain information about students' thinking processes and problem-solving strategies.
- All-new normative data were collected from 2011 to 2013
- The demographically representative normative sample (N=1,310) was stratified by age relative to region, gender, ethnicity, socioeconomic factors, and other critical variables
- Test items were subjected to differential item analyses to find and eliminate potentially biased items
- Subtests were reduced from 14 to 8 in order to streamline administration time and provide more useful, accurate results