DigiSpan: Development and Evaluation of a Computer-Based, Adaptive Test of Short-Term Memory and Working Memory.
Purpose: This article describes DigiSpan, a new computer-controlled auditory test of forward and reverse digit span, designed to be administered by clinicians, and presents normative and test-retest reliability data for adults. Method: DigiSpan mimics conventional live-voice tests in that it commenc...
| Publicado en: | Journal of Speech, Language & Hearing Research Vol. 67; no. 8; pp. 2729 - 2743 |
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| Autores principales: | , , , , |
| Formato: | Artículo |
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American Speech-Language-Hearing Association
Aug2024
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| Materias: | |
| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ssf&AN=178847317&site=ehost-live header: @attributes: shortDbName: ssf uiTerm: 178847317 longDbName: Social Sciences Full Text (H.W. Wilson) uiTag: AN controlInfo: bkinfo: jinfo: jid: 10924388 1SM jtl: Journal of Speech, Language & Hearing Research issn: 10924388 maglogo: N pubinfo: dt: Aug2024 vid: 67 iid: 8 pid: 42 pub: American Speech-Language-Hearing Association artinfo: ui: 178847317 10.1044/2024_JSLHR-23-00466 ppf: 2729 ppct: 14 formats: fmt: @attributes: type: P size: 934KB tig: atl: DigiSpan: Development and Evaluation of a Computer-Based, Adaptive Test of Short-Term Memory and Working Memory. aug: au: Dillon, Harvey Boyle, Christian Gaikwad, Shrutika Luengtaweekul, Ponsuang Cameron, Sharon affil: Department of Linguistics, Macquarie University, Sydney, New South Wales, Australia Manchester Centre for Audiology and Deafness, School of Health Sciences, University of Manchester, United Kingdom Department of Communication Sciences and Disorders, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand su: Medical personnel Psychometrics Physicians Psychosocial factors Adults Computer adaptive testing Auditory perception testing Reference values Multitrait multimethod techniques Statistical correlation T-test (Statistics) Research funding Research methodology evaluation Research evaluation Probability theory Descriptive statistics Experimental design Research methodology Statistical reliability Research Short-term memory Speech perception Data analysis software Confidence intervals Inter-observer reliability sug: subj: Medical personnel Psychometrics Physicians Psychosocial factors Adults Offices of physicians Offices of Physicians (except Mental Health Specialists) Computer adaptive testing Auditory perception testing Reference values Multitrait multimethod techniques Statistical correlation T-test (Statistics) Research funding Research methodology evaluation Research evaluation Probability theory Descriptive statistics Experimental design Research methodology Statistical reliability Research Short-term memory Speech perception Data analysis software Confidence intervals Inter-observer reliability ab: Purpose: This article describes DigiSpan, a new computer-controlled auditory test of forward and reverse digit span, designed to be administered by clinicians, and presents normative and test-retest reliability data for adults. Method: DigiSpan mimics conventional live-voice tests in that it commences with trials that ascend in length until a stopping criterion is met, giving rise to a conventional scaled score. It then administers five additional adaptive trials, the length of which depends on the correctness of the response to the previous trial. Each of these two segments of the measurement gives rise to a scaled score. The ascending and adaptive scores are averaged to give an overall score and subtracted to produce an internal measure of consistency, and hence reliability. Young adults with an Mage of 25 years (N = 163) were tested, of whom 65 were retested on a separate day. Results: The scaled scores from the conventional ascending trials were highly consistent with existing normative data based on live-voice tests. Combination of the conventional scaled score with a scaled score based on the adaptive trials led to 44% reduction in error variance for forward memory span and 20% reduction for reverse memory span. The average of these (32%) is similar to but (insignificantly) less than the 42% reduction in error variance that can be predicted based on adding the five adaptive trials. Conclusions: Replacing live-voice production of digits by a clinician with recorded, computer-controlled production has not affected the difficulty of the test. Adding five additional trials around the sequence length that a test participant can just remember has produced a decrease in measurement error. In addition, the availability of separate scaled scores for the ascending and adaptive phases enables the reliability of the combined score to be checked, for both forward and reverse measurements. The combination of standardized delivery, increased accuracy, internal reliability check, and fast automated scoring makes the test highly suitable for clinical use. pubtype: Academic Journal doctype: Article src: R language: English refInfo: copyright: @attributes: flag: N holdings: @attributes: islocal: N |
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