Study Abdel-Khalek (2006a): study KW 2002 /1

Public

University undergraduates, Kuwait 2002

Sample

Respondents

N = 503

Non Response

Assessment

Questionnaire completed in class

Correlate

Authors's Label

Insomnia

Our Classification

Error Estimates

Cronbach alpha = .86

Related specification variables

Operationalization

The Insomnia Scale (Abdel-Khalek 2004). It comprised 12 items answered on a 5-point scale. This scale is composed of two factors, i.e.difficulty in initiating and maintaining sleep, and consequences of insomnia

Observed Relation with Happiness