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Year : 2022  |  Volume : 6  |  Issue : 2  |  Page : 164-168

Irony comprehension in schizophrenia: Development, content validity and “Known-Groups” validity of an Indian, comic-based, computerized task

1 Department of Psychology, Jamia Millia Islamia, New Delhi, India
2 Department of Humanities and Social Sciences, India Institute of Technology, Kharagpur, West Bengal, India
3 Department of Clinical Psychology, Postgraduate Institute of Behavioral and Medical Sciences, Raipur, Chhattisgarh, India
4 Department of Psychiatry, Central Institute of Psychiatry, Ranchi, Jharkhand, India
5 Department of Psychiatry, All India Institute of Medical Sciences, Bibinagar, Hyderabad, India

Correspondence Address:
Dr. Sai Krishna Tikka
Department of Psychiatry, All India Institute of Medical Sciences, Bibinagar, Hyderabad
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/aip.aip_89_22

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Introduction: Irony comprehension (IC) has been described as a schizophrenia (SCZ) disease marker. High variability exists in the measurement of IC. We aimed to assess content and “known-groups” validity of an Indian, comic-based, computerized-IC task. Methods: A 15-story IC task was prepared. Content validity of the IC task stimuli was assessed by experts in mental health. Performance on the IC task was compared between 15 SCZ patients and 15 healthy controls (HC). Known-groups validity was assessed using discriminant function analysis. Results: Content validity of the IC task was optimum. Lower number of correct responses and longer reaction times for irony stimuli were seen in SCZ patients, compared to HC. Both these measures showed 100% accuracy in discriminating SCZ from HC, therefore, implying excellent “known-groups” validity. Conclusion: The newly designed IC task has good psychometric properties, in terms of content and “known-groups” validity.

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