If a participant does not get any correct answers for a certain digit length, then the experiment concludes. If the participant only gets 1 answer correct, then the block of trials is repeated again with different numbers even though the digit length remains the same. If the participant gets 2 answers correct on a block, then digit length is increased. The Digit Span test on PEBL is a test of Memory span using a string of digits. For example, if a participant sees "389", then they need to recall the number "983."ĭepending on whether the participant answers correctly, the task may become more difficult. Study with Quizlet and memorize flashcards containing terms like Exact copies of the sounds we hear linger longer than visual impressions, and can last about:, Using a task called the Digit Span test, cognitive psychologist George Miller determined that most people can retain only digits, calling this the 'magical seven, plus or minus two. The minimum length of digits presented is 2 (e.g., 68) and the maximum length is 8 (e.g., 85496371). The participant is shown a series of digits. The goal of the task is to assess a participant's ability to accurately recall a string of digits in the reverse order of how they were presented. This experiment is a version of the Digit-Span memory task. The Digit-Span task is used to measure storage capacity of numbers in working memory.
Digit span test example software#
Experiment Author: Psychology Software Tools, Inc.
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