Ola B A, Igbokwe D O
Department of Behavioural Medicine, Faculty of Clinical Sciences, Lagos State University College of Medicine, Ikeja, Nigeria.
Afr Health Sci. 2011 Sep;11(3):334-40.
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.
脑力疲劳是一种本土心理病理学或文化相关综合征,于20世纪60年代由雷蒙德·普林斯在尼日利亚正式记录。
需要对该量表进行因子分析,以确保因子效度,并检验此筛查量表的信度。
随机选取234名年龄在11至20岁之间的参与者,平均年龄为14.20岁,标准差为2.14,其中114名来自私立中学,120名来自公立中学,并对他们施测脑力疲劳综合征量表[BFSS]。数据采用主成分分析和斜交旋转进行因子分析。
出现了两个有效因子,项目1 - 3和项目4、5及7分别在其上负荷,使BFSS成为一个二维(多维)量表,测量脑力疲劳的两个方面[分别标记为灼烧感和蠕动感]。信度分析得出克朗巴哈α系数为0.521,标准化项目α为0.528估计其内部一致性。此外,BFSS与其他测试相关以建立其同时效度[聚合效度和区分效度]。
BFSS是评估脑力疲劳综合征的有效且可靠的二维工具。