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COMMENTS ON PUBLISHED ARTICLE
Year : 2019  |  Volume : 41  |  Issue : 5  |  Page : 498-499  

Comments on “Adaptation and validation of parental behavioral scale for children with autism spectrum disorders to Kannada”


1 Department of Psychiatry, Govt. Medical College and Hospital, Chandigarh, India
2 Department of Psychiatry, J.N. Medical College, Consultant Psychiatrist, KLE'S Dr. P.K. Hospital, Belagavi, Karnataka, India
3 Department of Psychopharmacology, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India

Date of Web Publication5-Sep-2019

Correspondence Address:
Dr. Gurvinder Pal Singh
Department of Psychiatry, Govt. Medical College and Hospital, Chandigarh - 160 030
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/IJPSYM.IJPSYM_338_19

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How to cite this article:
Singh GP, Tekkalaki B, Andrade C. Comments on “Adaptation and validation of parental behavioral scale for children with autism spectrum disorders to Kannada”. Indian J Psychol Med 2019;41:498-9

How to cite this URL:
Singh GP, Tekkalaki B, Andrade C. Comments on “Adaptation and validation of parental behavioral scale for children with autism spectrum disorders to Kannada”. Indian J Psychol Med [serial online] 2019 [cited 2019 Sep 22];41:498-9. Available from: http://www.ijpm.info/text.asp?2019/41/5/498/266109



Sir,

Gayathri and Tiwari[1] studied the psychometric properties of their Kannada translation of a parental behaviour scale for children with autistic spectrum disorders. We wish to express our concerns regarding some of their methods and findings.

First, the authors examined test-retest reliability in a sample of only three parents. This is far too small a sample to allow credible conclusions about the reliability of an instrument. Whereas it could have been challenging for the authors to estimate, in advance, a necessary sample size to identify an unknown value for the reliability, it would have been desirable to recruit a sample of at least 30 parents so as to reasonably represent the population.

Next, the authors reported that the intra-class correlation coefficient (ICC) value for test-retest reliability was 0.993. This is an incredibly high level of agreement and is credible only if the authors were assessing facts that do not change. However, they were assessing the agreement on 50 different items, rated on a 1–5 point scale, at time points that were 15–30 days apart. In such circumstances, such a high value for the ICC seems impossible.

Finally, the authors asked three speech-language pathologists to indicate their agreement/disagreement with each item of the scale and to provide suggestions/modifications. The authors wrongly described this exercise as inter-rater reliability. Inter-rater reliability is actually the agreement between different raters who each use the instrument to assess the same patients at the same point in time.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
   References Top

1.
Gayathri KS, Tiwari S. Adaptation and validation of parental behavioral scale for children with autism spectrum disorders to Kannada. Indian J Psychol Med 2019;41:266-70.  Back to cited text no. 1
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