Neuropsychological Impairment Scale nis

For: Provides a quick, accurate picture of neuropsychological symptoms, eliciting relevant diagnostic information that might otherwise go unreported
Reading Level: Adult - Elder Adult
Format: Paper-and-Pencil, PC Based Software
Length: 15 - 20 minutes
Scoring: Hand Scored, Computer Scored

 

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Paper Forms and Hand Scoring Materials

Test forms, response booklets and scoring reference manuals.

4 Items

PC Software

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NIS Kit

W-298
Includes 25 NIS Self-Report AutoScore Answer Forms; 25 Observer-Report AutoScore Answer Forms; 1 Manual with Senior Interview Supplement and Response Card.
$467.50
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NIS Senior Interview Kit

W-298D
Includes 25 NIS Senior Interview AutoScore Answer Forms; 1 Manual with Senior Interview Supplement and Response Card.
$302.50
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NIS Manual

W-298C
Includes Senior Interview Supplement and Response Card.
$198.00
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NIS Observer-Report Autoscore Answer Form (25)

W-298B
Packs of 25.
$154.00
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NIS Self-Report Autoscore Answer Form (25)

W-298A
Packs of 25.
$154.00
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NIS Senior Interview AutoScore Answer Form (25)

W-298E
Packs of 25.
$154.00
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NIS 10-Use CD

W-298U
Requirements: PC with Windows 98, ME, XP, or 2000. (For Vista compatibility, call PAA). For use with Self-Report, Observer Report, and Senior Interview.
$627.00
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NIS PC Answer Sheet (100)

W-298J
Packs of 100 (50 Self-Report, 25 each of Observer Report and Senior Interview).
$55.00
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Authors

William E. O’Donnell, Ph.D., M.P.H., Clinton B. DeSoto, Ph.D., Janet L. DeSoto, Ed.D., and Don McQ. Reynolds, Ph.D.

Description

The NIS is a quick and convenient way to screen adults for neuropsychological symptoms. This brief self-report questionnaire addresses both global impairment and specific symptom areas, eliciting diagnostically relevant information that might otherwise go unreported. The NIS brings up symptoms that patients often fail to mention in an informal clinical interview. A useful addition to any general psychological evaluation, it is an efficient way to screen for organic problems. Serving as an “early warning system,” the NIS may identify areas for inquiry, focus treatment efforts and help determine whether the patient will benefit from therapy. It has proven particularly useful in assessing age- and AIDS-related dementia. Composed of 95 items, the NIS provides three very helpful summary scores, plus subscale scores and validity checks:

  • Global Measure of Impairment–serves as a general index of neuropsychological functioning.
  • Total Items Circled–distinguishes patients who report many low-intensity symptoms from those who report a few high-intensity symptoms.
  • Symptom Intensity Measure–alerts you to individuals with organic personality disorder, diminished affective experience, limited awareness of their impairments, or high levels of frustration or psychological distress.

Subscale Scores

  • Cognitive Efficiency
  • Attention
  • Memory
  • Frustration Tolerance
  • Learning-Verbal
  • Academic Skills

Validity Checks

  • Critical Items
  • Defensiveness
  • Affective Disturbance
  • Response Inconsistency
  • Subjective Distortion

The Subjective Distortion Check is particularly helpful as it tells you whether the client is under- or over-reporting symptoms.

Written at a fifth-grade reading level, the scale may be completed in just 15 to 20 minutes by anyone over the age of 17. Non-clinical norms, based on a sample of 1,000 adults (18 to 88 years old), are stratified by age (young adult, adult, middle-aged, and elderly). Clinical norms, drawn from a sample of 534 neuropsychiatric patients, are separated by diagnostic group (neurological, psychiatric, alcohol/drug, learning disability and physical trauma).

A second form of the NIS, the Observer Report, presents items in the third person. This non-standardised form, which may be completed by a relative or close friend of the patient, provides a different perspective on the patient’s symptoms. Comparisons of Self and Observer Reports may help the patient understand the impact of their deficits and help family members adopt realistic expectations.

A third form of the test, the Senior Interview, is useful with older patients who cannot complete the NIS Self-Report due to poor vision, strength, or manual dexterity. The Senior Interview consists of 40 questions that are read to the patient by the examiner. The patient indicates their response on a large-print visual cue card. This form provides a Global Measure of Impairment and scores for Defensiveness, Affective Disturbance, and Inconsistency. A Subjective Distortion Index can also be calculated if WAIS-R Digit Span and Similarities scores are available.

Efficient, comprehensive and systematic, the NIS offers many advantages over an informal clinical interview. It uncovers diagnostically important symptoms that people might otherwise omit or disregard.

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