The CODY Assessment (Computer aided Dyscalculia test and training) is a

diagnostic Diagnosis (: diagnoses) is the identification of the nature and cause of a certain phenomenon. Diagnosis is used in a lot of different academic discipline, disciplines, with variations in the use of logic, analytics, and experience, to determine " ...

screener for elementary school children from 2nd to 4th grade used to determine math weakness or

dyscalculia Dyscalculia () is a learning disability resulting in difficulty learning or comprehending arithmetic, such as difficulty in understanding numbers, numeracy, learning how to manipulate numbers, performing mathematical calculations, and learning f ...

. It also generates a detailed report evaluating each child's mathematical skills. It was developed in 2013 as a part of the CODY Project, which partnered

psychologist A psychologist is a professional who practices psychology and studies mental states, perceptual, cognitive, emotional, and social processes and behavior. Their work often involves the experimentation, observation, and explanation, interpretatio ...

s at the

University of Münster The University of Münster (, until 2023 , WWU) is a public research university located in the city of Münster, North Rhine-Westphalia in Germany. With more than 43,000 students and over 120 fields of study in 15 departments, it is Germany's ...

with

technology Technology is the application of Conceptual model, conceptual knowledge to achieve practical goals, especially in a reproducible way. The word ''technology'' can also mean the products resulting from such efforts, including both tangible too ...

experts at ''Kaasa health'', a German software company.

Application

The CODY Assessment is part of the mathematical training software Meister Cody ‒ Talasia. Children take the assessment, which creates a detailed report evaluating their math skills, when they begin the program and again 30 days later. Additionally, the CODY Project used the assessment in its research with several elementary schools in order to evaluate the mathematical skills of children before and after various instructional/ intervention methods.

Set-up

The CODY Assessment takes approximately 30–40 minutes and detects four aspects: core markers (dot enumeration & magnitude comparison), number processing, calculation and working memory skills. It's comprised several subtests (listed below), which evaluate both mathematical and cognitive skills: * Reaction Time Test * Dot enumeration * Magnitude Comparison (symbolic and mixed) * Transcoding * Calculation * Number Sets * Number Line * Matrix Span * Missing Number The subtests were inspired by the scientific findings of Brian Butterworth, who developed the background of a computer-based screening-test for detecting a dyscalculia.

Validation

validated the CODY Assessment. The validity and

reliability Reliability, reliable, or unreliable may refer to: Science, technology, and mathematics Computing * Data reliability (disambiguation), a property of some disk arrays in computer storage * Reliability (computer networking), a category used to des ...

of the test procedure were elaborately tested with a sample of more than 600 elementary school children from the second to fourth grade. The specificity of the CODY Assessment is 81 and the sensitivity is 76. The Ratz-Index is 0,68, which shows a good level of reliability.Meister Cody: science
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References

External links

CODY assessment
Screening and assessment tools in child and adolescent psychiatry {{Med-diagnostic-stub