A Diagnostic Inventory of Essential Mathematics

General Information:

Author: Austin J. Connolly

Publisher: AGS (American Guidance Service)

Published: 1988, Revised: 1998

Type of test: Achievement

Age level: 5.0-22.11

Grade level: K-12

Skills: numeration, rational numbers, geometry, addition, subtraction, multiplication, division, mental computation, measurement, time and money, estimation, interpreting data, problem solving

Requirements for Testing

Time Required: 35-50 minutes

Qualifications of examiner: Interpretation of results requires psychometric training. Interpreter must have knowledge of derived scores, measurement error, levels of confidence, and application of statistical procedures for identifying the strengths and weaknesses of the student.

Administrators may include: gen. ed. teacher, special ed. teacher, classroom aid, paraprofessionals, counselors, school psychologists and other staff with psychometric training.

Test materials: Test easel, individual test record, manual

Supplementary materials: Report to parents, KeyMath-R ASSIST

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Scoring and Results

Method of scoring: Results are scored by hand and many factors must be taken into account in order to calculate the score.

Basal: 3 consecutive correct responses prior to and error

Ceiling: 3 consecutive errors

Ceiling and basal should focus on items within the child's "critical range".

Scores obtained: subtest raw scores, total test raw score, scaled scores, standard scores, summary of domain performance


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