Computer-paced versus experimenter-paced working memory span tasks: Are they equally reliable and valid? |
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| Authors: | Heather Bailey |
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| Institution: | 1. Department of Psychology, University of California, San Diego, United States;2. Department of Psychology, University of Illinois at Urbana-Champaign, United States;1. Division of Endocrinology, Diabetes, and Hypertension;2. Department of Medicine, Brigham and Women''s Hospital and Harvard Medical School;3. Boston College School of Nursing;4. Stanford University School of Medicine, Division of Endocrinology, Gerontology & Metabolism;5. Channing Laboratory, Renal Division;1. Post Graduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil;2. Post Graduate Program in Health and Behavior, Catholic University of Pelotas, Pelotas, Brazil;1. Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Palmerston North, New Zealand;2. Animal Behaviour and Welfare, AgResearch Limited, Ruakura Research Centre, Hamilton, New Zealand |
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| Abstract: | Working memory span tasks are popular measures, in part, because performance on these tasks predicts performance on other measures of cognitive ability. The traditional method of span-task administration is the experimenter-paced version, whose reliability and validity have been repeatedly demonstrated. However, computer-paced span tasks are becoming increasingly more popular. Despite their popularity, no study had systematically compared experimenter-paced and computer-paced versions of the reading span and operation span tasks. Such a comparison is important because research labs in many universities across many countries administer these span tasks with a variety of methods. The purpose of the present study was to evaluate the reliability and validity of computer-paced span tasks and to compare these estimates to those of experimenter-paced span tasks. Results indicated that experimenter-paced and computer-paced span tasks share some overlap, but also measure additional and distinct processes. Computer-paced span tasks were highly reliable measures as well as valid indicators of fluid intelligence (Gf). Thus, computer-paced span tasks may be the optimal type of administration given their methodological advantages over experimenter-paced span tasks. |
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