Table 1.
Description of the scope of the tests of early cognitive and academic development (ECAD™), combination of tests, and domains assessed.
| Cluster/composite | Test | Domain/function assessed |
|---|---|---|
| General Intellectual Ability-Early Development | Memory for names | Associative memory/long-term retrieval |
| Sound blending | Phonetic coding/auditory processing | |
| Verbal analogies | Comprehension knowledge and fluid reasoning | |
| Visual closure | Closure ability/visual processing | |
| Rapid picture naming | Cognitive and linguistic fluency/processing speed | |
| Early academic skills | Letter word recognition | Letter and word identification/reading-writing ability |
| Number sense | Quantitative knowledge/mental math | |
| Writing | Reading-writing ability/spelling | |
| Expressive language | aPicture vocabulary | Oral language development and word knowledge |
| aSentence repetition | Short-term working memory |
a
Tests also included in the General Intellectual Ability-Early Development cluster.