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Journal of Sleep Disorders: Treatment and CareISSN: 2325-9639

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Research Article, J Sleep Disor Treat Care Vol: 3 Issue: 1

A Comparison of Self-Report and Interview Methods for Assessing Sleep Paralysis: Pilot Investigations in Denmark and the United States

Baland Jalal1*, Charles T Taylor2 and Devon E Hinton3
1Department of Psychology, University of California at San Diego, USA
2Department of Psychiatry, University of California at San Diego, USA
3Massachusetts General Hospital, Harvard Medical School, USA
Corresponding author : Baland Jalal
Center for Brain and Cognition, 0109, Mandler Hall, UC San Diego, 9500 Gilman Drive, La Jolla, CA, 92093-0109, USA
Tel: 619-600-9223
E-mail: [email protected]
Received: September 09, 2013 Accepted: November 14, 2013 Published: November 18, 2013
Citation: Jalal B, Taylor CT, Hinton DE (2014) A Comparison of Self-Report and Interview Methods for Assessing Sleep Paralysis: Pilot Investigations in Denmark and the United States. J Sleep Disor: Treat Care 3:1. doi:10.4172/2325-9639.1000131

Abstract

A Comparison of Self-Report and Interview Methods for Assessing Sleep Paralysis: Pilot Investigations in Denmark and the United States

Purpose: In two pilot investigations we compared sleep paralysis (SP) rates using a self-report versus interview assessment method in two samples from the general population of Denmark, and one sample from the general population of the United States (US). Methods: The three samples did not differ on gender, age, education and racial distribution. In Study I, one sample of Danish participants (n=216) completed the first item of the Sleep Paralysis Questionnaire (SPQ) in the form of an online survey (self-report version); the same item was orally administered to another sample of Danish participants (n=223) but with the inclusion of an open-ended probe such that participants could elaborate on their experience (interview-based version). In Study II, a sample of US participants (n=77) initially completed the first item of the SPQ in self-report paper format and the same participants were subsequently administered the same item orally (similar to Study I, with an open-ended probe).

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