Factorial validation and reliability analysis of the Brain Fag Syndrome Scale.

Department of Behavioural Medicine, Faculty of Clinical Sciences, Lagos State University College of Medicine, Ikeja, Nigeria.
African health sciences (Impact Factor: 0.72). 09/2011; 11(3):334-40.
Source: PubMed


Brain fag is an indigenous psychopathology or culture-bound syndrome formally documented in Nigeria in the 1960's by Raymond Prince.
The need for a factorial examination of the scale to ensure factorial validity and also to examine the reliability of this screening scale.
Two hundred thirty four (234) participants with ages between 11 - 20 years with a mean age of 14.20 and a Standard Deviation of 2.14 of which 114 were from a private secondary school and 120 from a public secondary school were randomly selected and administered the Brain Fag Syndrome Scale [BFSS]. The data was subjected to factor analysis using Principal Component Analysis with Oblim Rotation.
Two valid factors emerged with items 1-3 and items 4, 5 & 7 loading on them respectively, making the BFSS a two-dimensional (multidimensional) scale which measures 2 aspects of brain fag [labeled burning sensation and crawling sensation respectively]. The reliability analysis yielded a Cronbach Alpha coefficient of 0.521, and a standardized item alpha of 0.528 estimated its internal consistency. Also, the BFSS was correlated with other tests to establish its concurrent validity [convergent and divergent].
BFSS is a valid and reliable two-dimensional instrument to assess brain fag syndrome.

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