Seasonal Pattern Assessment Questionnaire

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Seasonal Pattern Assessment Questionnaire
Purposescreening instrument for seasonal affective disorder

The Seasonal Pattern Assessment Questionnaire, or SPAQ, is a simple, self-administered screening test for Seasonal Affective Disorder, first developed in 1984. Though some aspects of its accuracy have been questioned since then, it is widely used today, especially by SAD researchers.

Contents

Description

The SPAQ is a screening instrument for seasonal affective disorder (SAD), a recurrent major depressive disorder that typically affects its victims during the fall and winter months. It was first developed by American psychiatrist Norman E. Rosenthal and his National Institute of Mental Health colleagues in 1984, and continues to be widely used. It is a self-administered paper-and-pencil test that is freely available in the public domain. [1] The SPAQ can be downloaded. [2]

The questionnaire asks subjects to score the amounts of seasonal changes they have experienced in sleep, socialization, mood, weight, appetite and energy. A global score between 0 and 24 is gotten by adding up the scores on each of these items. Subjects also specify the months during which these changes are greatest and least. Subjects are also asked rate their overall seasonal impairment from "no problem" to "disabling". [3]

Subjects are often taught how to interpret their scores, and cautioned that a self-assessment can never substitute for a clinical evaluation. If their score on the SPAQ is high, they are advised to consult their physician. [4]

Reliability, validity, and specificity

Numerous studies have been done to assess the usefulness of the test. In general, it has been found to be reliable (in that it yields consistent measurements) and valid (in that it measures what it purports to measure). It has also been found to have low specificity (in that people who have other forms of depression can score as if they have SAD). This could give misleadingly high estimates of the prevalence of SAD. [1]

Some studies have questioned the overall validity of the SPAQ, and even the concept of SAD itself. [5]

In spite of its shortcomings, the SPAQ is still a very popular screening tool in SAD research. This is true because of its early development, historically wide dissemination, and the absence of better-validated alternatives. [3]

Related Research Articles

Seasonal affective disorder Medical condition

Seasonal affective disorder (SAD) is a mood disorder subset in which people who have normal mental health throughout most of the year exhibit depressive symptoms at the same time each year, most commonly in winter. Common symptoms include sleeping too much, having little to no energy, and overeating. The condition in the summer can include heightened anxiety.

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Norman E. Rosenthal Psychiatrist, researcher, and author

Norman E. Rosenthal is a South African author, psychiatrist and scientist who in the 1980s first described seasonal affective disorder (SAD), and pioneered the use of light therapy for its treatment

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The Mood and Feelings Questionnaire

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References

  1. 1 2 Melrose, Sherri (2015). "Seasonal Affective Disorder: An Overview of Assessment and Treatment Approaches". Depression Research and Treatment. 2015 (ID 178564): 1–6. doi: 10.1155/2015/178564 . PMC   4673349 . PMID   26688752.
  2. ↑ "Seasonal Pattern Assessment Questionnaire" (PDF). Scales and Measures website. Mood Disorders Association of Manitoba, Inc. Retrieved 2017-03-05.
  3. 1 2 Lam, Raymond W.; Levitt, Anthony J. (1999). "Canadian Consensus Guidelines for the Treatment of Seasonal Affective Disorder" (PDF). Clinical & Academic Publishing: 28–41. Retrieved 2017-03-05.
  4. ↑ Rosenthal, Norman (2008-12-22). "How Seasonal Are You? - Assessing and treating seasonality". Psychology Today. Retrieved 2017-03-05.
  5. ↑ Hansen, Vidje; Skre, Infunn; Lund, Eiliv (2008). "What is this thing called "SAD"? - A critique of the concept of seasonal affective disorder". Epidemiologia e Psichiatria Sociale. 17 (2): 124–126. CiteSeerX   10.1.1.575.7955 . doi:10.1017/S1121189X00002815. PMID   18589628. S2CID   22140743.
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