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KMID : 0607520170250020210
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Korean Journal of Psychosomatic Medicine
2017 Volume.25 No. 2 p.210 ~ p.217
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Test-Retest Reliability of Attention Network Test Scores in Schizophrenia
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Lee Jae-Chang
Kim Ji-Eun
Kim Min-Young
Yang Ji-Sun
Han Myung-Hun
Kwon Hyuk-Chan
Kim Ki-Woong
Lim Sang-Hyun
Jung Eun-Eui
Kim Ji-Woong
Im Woo-Young
Lee Sang-Min
Kim Seung-Jun
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Abstract
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Objectives : Although the Attention Network Test(ANT) has been widely used to assess selective attention including alerting, orienting, and conflict processing, data on its test-retest reliability are lacking for clinical population. The objective of the current study was to investigate test-retest reliability of the ANT in healthy controls and patients with schizophrenia.
Methods : Fourteen patients with schizophrenia and 23 healthy controls participated in the study. They are tested with ANT twice with 1 week interval. Test-retest reliability was analyzed with Pearson and Intra-class correlations.
Results : Patients with schizophrenia showed high test-retest correlations for mean reaction time, orienting effect, and conflict effect. Also, they showed moderate to high test-retest correlations for mean accuracy and moderate test-retest correlations for alerting effect and conflict error rate. On the other hand, healthy controls revealed high test-retest correlations for mean reaction time and moderate to high test-retest correlations for conflict error rate. In addition, they revealed moderate test-retest correlations for alert effect, orienting effect, and conflict effect.
Conclusions : The mean reaction time, alerting effect, orienting effect, conflict effect, and conflict error rate of ANT showed acceptable test-retest reliabilities in healthy controls as well as patient with schizophrenia. Therefore, the analyses of these reliable measures of ANT are recommended for case-control studies in patients with schizophrenia.
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KEYWORD
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Schizophrenia, Attention network test, Reliability
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