Bibliographic Details
| Title: |
Test–retest reliability and reliable change index of the Philips IntelliSpace Cognition digital test battery. |
| Authors: |
Klaming, Laura, Spaltman, Mandy, Vermeent, Stefan, van Elswijk, Gijs, Miller, Justin B., Schmand, Ben |
| Source: |
Clinical Neuropsychologist; Oct2024, Vol. 38 Issue 7, p1707-1725, 19p |
| Subject Terms: |
COGNITIVE neuroscience, COGNITIVE testing, INTRACLASS correlation, STATISTICAL reliability, TEST reliability |
| Abstract: |
Objective: This article provides the test–retest reliability and Reliable Change Indices (RCIs) of the Philips IntelliSpace Cognition (ISC) platform, which contains digitized versions of well-established neuropsychological tests. Method: 147 participants (ages 19 to 88) completed a digital cognitive test battery on the ISC platform or paper-pencil versions of the same test battery during two separate visits. Intraclass correlation coefficients (ICC) were calculated separately for the ISC and analog test versions to compare reliabilities between administration modalities. RCIs were calculated for the digital tests using the practice-adjusted RCI and standardized regression-based (SRB) method. Results: Test–retest reliabilities for the ISC tests ranged from moderate to excellent and were comparable to the test-retest reliabilities for the paper-pencil tests. Baseline test performance, retest interval, age, and education predicted test performance at visit 2 with baseline test performance being the strongest predictor for all outcome measures. For most outcome measures, both methods for the calculation of RCIs show agreement on whether or not a reliable change was observed. Conclusions: RCIs for the digital tests enable clinicians to determine whether a measured change between assessments is due to real improvement or decline. Together, this contributes to the growing evidence for the clinical utility of the ISC platform. [ABSTRACT FROM AUTHOR] |
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| Database: |
Complementary Index |
