RELIABILITY ASSESSMENT OF ICP COGNITIVE DISTORTIONS SCALE-URDU

Abstract

Objective: The objective of the present study was to investigate the internal consistency, temporal stability and split half reliability of ICP Cognitive Distortions Scale-Urdu

Place and duration of study: This study was carried out from the period of January 2012 to June 2014 at the Institute of Clinical Psychology, University of Karachi.

Sample and Method: In order to assess the reliability, test retest reliability, split half reliability and internal consistency reliability of the Cognitive Distortions Scale-Urdu; students with age range of 18 to 50 years were selected from the University of Karachi, Pakistan. Among them 360 students (231 females & 129 males) with mean age = 22.63 and SD = 3.411 responded on the ICP Cognitive Distortions Scale-Urdu.

Results: Results indicate that Cronbach’s Alpha for internal consistency (a = .892) reflects that the cognitive distortions scale has high homogeneity and Split half reliability is .839 indicating that the scale measures a single domain. For test retest reliability 47 participants (41 females & 6 males) were tested after 1 week and the correlation is found to be adequate (r = .624) indicating moderate temporal stability. Internal consistency of the subscales of cognitive distortion scale was also examined and results indicate that internal consistency of the subscale of Stress Creating Thinking Style (a=.825), Self Criticism / Self Blame  (a=.553), Predictive Thinking Style (a=.623) and Critical Thinking Style  (a=.566)is adequate. 

Conclusion: Thus, complete analysis of the scale indicates that it is a reliable measure of cognitive distortions and is applicable on both non-clinical and clinical population of Pakistan