Social:Children's Nonverbal Learning Disabilities Scale (C-NLD)
| Children's Nonverbal Learning Disabilities Scale (C-NLD) | |
|---|---|
| Medical diagnostics | |
| Purpose | screens for the symptoms of nonverbal learning disabilities in children |
The Children's Nonverbal Learning Disabilities Scale (C-NLD) is an assessment that screens for the symptoms for nonverbal learning disabilities in children, which can affect a child's visual spatial organization, motor abilities, and social interactions.[1] All questions in the assessment are categorized in three headings: motor skills, visual-spatial skills, and interpersonal skills.
The C-NLD is a 15 question measure intended to be filled out by the parent or guardian of the child. Each of the 15 questions are answered based on a four-option Likert scale, containing "Never/Rarely", "Sometimes", "Often/Always", and "I don't know" answer choices. The scale contains three sections; the first section is designed to assess motor skills consists of 4 questions, the second section is designed to assess visual-spatial skills consists of 7 questions, and the last section assesses interpersonal skills and consists of 4 questions.[2]
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Psychometric properties
Reliability
| Criterion | Rating | Explanation with references |
|---|---|---|
| Norms | none available | psycinfo search "reliability" + "nonverbal learning disabilities scales" |
| Internal consistency | none available | psycinfo search "reliability" + "nonverbal learning disabilities scales" |
| Inter-rater reliability | none available | psycinfo search "reliability" + "nonverbal learning disabilities scales" |
| Test-retest reliability (stability) | none available | psycinfo search "reliability" + "nonverbal learning disabilities scales" |
| Repeatability | none available | psycinfo search "reliability" + "nonverbal learning disabilities scales" |
Validity
| Criterion | Rating | Explanation with references |
|---|---|---|
| Content validity | none available | psycinfo search "validity" + "nonverbal learning disabilities scales" |
| Construct validity (e.g., predictive, concurrent, convergent, and discriminant validity) | none available | psycinfo search "validity" + "nonverbal learning disabilities scales" |
| Discriminative validity | none available | psycinfo search "validity" + "nonverbal learning disabilities scales" |
| Validity generalization | none available | psycinfo search "validity" + "nonverbal learning disabilities scales" |
| Treatment sensitivity | none available | psycinfo search "validity" + "nonverbal learning disabilities scales" |
| Clinical utility | none available | psycinfo search "validity" + "nonverbal learning disabilities scales" |
Interpretation
C-NLD Scoring
Non-verbal learning disorder includes multiple specific symptoms characterized into three specific areas: neuropsychological deficits (deficits with perception, psychomotor coordination, memory, reasoning, and aspects of speech), academic deficits (mathematical reasoning, reading comprehension, and comprehension of written language) and social-emotional/adaptational deficits (social awareness and difficulties in social interactions).[2]
The C-NLD works as a primary screening measure, and referral to a neuropsychologist for further testing is advised if the parent C-NLD report indicates "sometimes" or "often" for over half of the items in each of the three sub-sections.[2]
See also
References
- ↑ 1.0 1.1 Massachusetts General Hospital, School Psychiatry Program and MADI Resource Center (2010). Table of all screening tools and rating scales. Retrieved from "Archived copy". Archived from the original on 2015-09-27. https://web.archive.org/web/20150927153032/http://www2.massgeneral.org/schoolpsychiatry/screeningtools_table.asp. Retrieved 2015-09-14.
- ↑ 2.0 2.1 2.2 Rourke, B. P. (1994). Neuropsychological Assessment of Children with Learning Disabilities: Measurement Issues. In G. Reid Lyons (ed.), Frames of Reference for the Assessment of Learning Disabilities: New Views on Measurement Issues. Baltimore, MD: Paul H. Brooks. ISBN 9781557661388
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