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How comparable are tests of apraxia?

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Title: How comparable are tests of apraxia?
Authors: Butler, JA
Source: Clinical Rehabilitation. Jun2002, Vol. 16 Issue 4, p389-398. 10p. 2 Charts, 3 Graphs.
Subjects: Apraxia, Medical function tests, Diagnosis
Geographic Terms: England, Oxford (England)
Abstract: Objective: To compare commonly used tests for the diagnosis of apraxia. Measures: People with unilateral left hemisphere lesions, diagnosed with apraxia, were compared in their scoring on commonly used tests for apraxia (n = 17). Setting: Rivermead Rehabilitation Centre, Oxford, England, a specialist inpatient neurological unit. Results: Production moment correlations were low, or did not reach significance level between three tests for ideomotor apraxia (r = 0.46 p < 0.05 one-tailed test, r = 0.005 NS, r = -0.23 NS, df = 15). Six of the seventeen apraxic patients scored above cut-off point on one test, but below cut-off point on others, indicating that commonly used tests for apraxia may not be reliable for diagnosis if used singly. Internal consistency within tests was also variable (Cronbach's α 0.72, 0.85, 0.85). Conclusion: The commonly used tests for apraxia may identify different people as 'apraxic', possibly by eliciting different aspects of apraxia and identifying potential subtypes of the condition. The use of multiple tests is, therefore, recommended in order to identify people with apraxia. The need for repeat reliability studies for apraxia assessments, together with a search for a 'gold standard' test is apparent. [ABSTRACT FROM AUTHOR]
Copyright of Clinical Rehabilitation is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Clinical+Rehabilitation%22&quot;&gt;Clinical Rehabilitation&lt;/searchLink&gt;. Jun2002, Vol. 16 Issue 4, p389-398. 10p. 2 Charts, 3 Graphs.
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  Data: &lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Apraxia%22&quot;&gt;Apraxia&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Medical+function+tests%22&quot;&gt;Medical function tests&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Diagnosis%22&quot;&gt;Diagnosis&lt;/searchLink&gt;
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  Data: Objective: To compare commonly used tests for the diagnosis of apraxia. Measures: People with unilateral left hemisphere lesions, diagnosed with apraxia, were compared in their scoring on commonly used tests for apraxia (n = 17). Setting: Rivermead Rehabilitation Centre, Oxford, England, a specialist inpatient neurological unit. Results: Production moment correlations were low, or did not reach significance level between three tests for ideomotor apraxia (r = 0.46 p &lt; 0.05 one-tailed test, r = 0.005 NS, r = -0.23 NS, df = 15). Six of the seventeen apraxic patients scored above cut-off point on one test, but below cut-off point on others, indicating that commonly used tests for apraxia may not be reliable for diagnosis if used singly. Internal consistency within tests was also variable (Cronbach&#39;s α 0.72, 0.85, 0.85). Conclusion: The commonly used tests for apraxia may identify different people as &#39;apraxic&#39;, possibly by eliciting different aspects of apraxia and identifying potential subtypes of the condition. The use of multiple tests is, therefore, recommended in order to identify people with apraxia. The need for repeat reliability studies for apraxia assessments, together with a search for a &#39;gold standard&#39; test is apparent. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Clinical Rehabilitation is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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        Value: 10.1191/0269215502cr493oa
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