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Volume : 24 Issue : 2 Year : 2018

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A study on comparison of original and parallel forms of Three Words and Three Shapes Test [Turk J Neurol]
Turk J Neurol. Ahead of Print: TJN-74508

A study on comparison of original and parallel forms of Three Words and Three Shapes Test

Çiğdem Kudiaki1, Asli Aslan2, Dilem Dinc3
1Cigdem Kudiaki Individual and Organizational Development Consultancy
2Mersin University
3Cag University

Objective: Three Words-Three Shapes test is a moderately difficult memory and learning test, which is very suitable for use in clinical applications. It allows evaluating both verbal and non-verbal materials in the same modality. Since neuropsychological evaluations may be repeated with certain intervals to follow a patient’s progress, in situations where the progress of particularly degenerative diseases (Alzheimer or Parkinson type dementia, primer progressive aphasia, etc.) need to be followed upon, the parallel form of the test must be employed. While normative data can be found for the original form of the test, the absence of data about the equivalency of its parallel form reduces the reliability of the test. This is the reason why this study aims at both obtaining the normative data on the parallel form and also comparing the data on the parallel and the original forms.
Materials and Methods: Participants of this study were 153 people of ages 50 to 84, without neurological or psychiatric disorders. Pre-evaluations of the participants were done using Standardized Mini Mental State Evaluation and Geriatric Depression Scale, and the people remaining above the cut-off points set for Turkey were included in the study.
Results: The average scores for the original and parallel forms were found to be fairly close, when they were applied with two-week intervals. According to the results of the correlation analysis, the correlation between incidental recall, acquisition and delayed recall subtests were significant. For the results which did not indicate a significant correlation between copying and recognition tests, a separate table of frequencies is presented.
Conclusion: The observed values indicate that both forms can be reliably employed in parallel.

Keywords: Three Words-Three Shapes test, Neuropsychological test, Alzheimer, elderly.




Corresponding Author: Dilem Dinc, Türkiye


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