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Slosson educational tests and assessments for teachers, educators and other professionals, in schools, hospitals, and corrections.  Used to test students in regular and special education, remedial reading and math, intelligence, visual motor, speech language for school screening and forms for teachers to evaluation students' mental abilities.

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Main Category : D / (DAB4) Diagnostic Achievement Battery 4th Ed.
(DAB-4-1) Diagnostic Achievement Battery 4th Ed. Complete Kit

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Price: $421.00
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Ages: 6 through 14
Testing Time: 90 to 120 minutes
Administration: Individual

The DAB-4 is a revision of one of the most popular individual achievement tests available. Its 8 subtests identify studentsí strengths and weaknesses across important areas of school achievement. A supplemental manual shows how to probe student responses to obtain information about studentsí thinking processes and problem-solving strategies.

New Features of the DAB-4
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.

Subtests of the DAB-4
Listening Comprehension
Alphabet/Phonics/Word Identification
Reading Comprehension
Mathematics Reasoning
Mathematics Calculation*

*can be administered individually or in small groups

Scores from these subtests can be combined to form five composites:
Spoken Language
Total Basic Academic Skills

Standard scores (M=10, SD=3 for the subtests and M=100, SD=15 for the composites), percentile ranks, and age/grade equivalents are provided.

Reliability and Validity:
Internal consistency (content sampling) reliability coefficients for all of the composites range from .89 to .97. The test-retest (time sampling) coefficient for the Total Basic Academic Skill composite is .94. Correlations of the DAB-4 composite scores with those of other well-known academic achievement measures range from .56 to .76. Diagnostic accuracy studies indicate that the DAB-4 is able to accurately identify students with poor academic achievement and students with a prior learning disability diagnosis (i.e., median sensitivity = .85, median specificity = .95, median ROC/AUC = .98). Considerable other validity evidence is provided in the manual.

Uses for the DAB-4:
The DAB-4 has four primary uses. It can be used to (1) identify students who are significantly below their peers in basic academic skills, (2) determine the particular kinds of component strengths and weaknesses that individual students possess, (3) document studentsí progress in specific areas as a consequence of special intervention programs, and (4) conduct research studies of academic achievement.

COMPLETE DAB-4 KIT INCLUDES: Manual, Student Booklet, 25 Profile/Examiner Record Booklets, 25 Student Response Booklets, Assessment Probes, and an audio CD, all in a sturdy storage box. © 2014

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