Children's Nonverbal Learning Disabilities Scale

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.

Children's Nonverbal Learning Disabilities Scale (C-NLD)
Purposescreens for the symptoms of nonverbal learning disabilities in children

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]

Psychometric properties

Reliability

Evaluating scores from the Children's Nonverbal Learning Diasbilites Scale against the EBA rubric for norms and reliability[1]
CriterionRatingExplanation with references
Normsnone availablepsycinfo search "reliability" + "nonverbal learning disabilities scales"
Internal consistencynone availablepsycinfo search "reliability" + "nonverbal learning disabilities scales"
Inter-rater reliabilitynone availablepsycinfo search "reliability" + "nonverbal learning disabilities scales"
Test-retest reliability (stability)none availablepsycinfo search "reliability" + "nonverbal learning disabilities scales"
Repeatabilitynone availablepsycinfo search "reliability" + "nonverbal learning disabilities scales"

Validity

Evaluation of validity and utility for the Children's Nonverbal Learning Diasbilites Scale
CriterionRatingExplanation with references
Content validitynone availablepsycinfo search "validity" + "nonverbal learning disabilities scales"
Construct validity (e.g., predictive, concurrent, convergent, and discriminant validity)none availablepsycinfo search "validity" + "nonverbal learning disabilities scales"
Discriminative validitynone availablepsycinfo search "validity" + "nonverbal learning disabilities scales"
Validity generalizationnone availablepsycinfo search "validity" + "nonverbal learning disabilities scales"
Treatment sensitivitynone availablepsycinfo search "validity" + "nonverbal learning disabilities scales"
Clinical utilitynone availablepsycinfo 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. Massachusetts General Hospital, School Psychiatry Program and MADI Resource Center (2010). Table of all screening tools and rating scales. Retrieved from "Screening Tools & Rating Scales - the School Psychiatry Program and Mood & Anxiety Disorders Institute Resource Center Massachusetts General Hospital". Archived from the original on 27 September 2015. Retrieved 14 September 2015.
  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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