Manual of mental and physical tests : a book of directions compiled with special reference to the experimental study of school children in the laboratory or classroom / by Guy Montrose Whipple.

  • Guy Montrose Whipple
Date:
1910
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Licence: In copyright

Credit: Manual of mental and physical tests : a book of directions compiled with special reference to the experimental study of school children in the laboratory or classroom / by Guy Montrose Whipple. Source: Wellcome Collection.

    388/566 page 362
    A. IMMEDIATE MEMORY TESTS WITH DIGITS Materials.—Printed test-cards, 42 in number, arranged in three sets of 14 cards each, for presentation by 3 different methods. Each set contains 2 cards each of 4, 5, 6, 7, 8, 9, and 10 digits. Metronome (Fig. 14). [For serial visual exposure, in addition, Jastrow’s memory apparatus (Fig. 54). Cardboard. Willson’s gummed figures, black, Size 5. For letter tests, full sets of gummed letters, Sizes 5 and 10.] Preliminaries.—On the back of each card, write the digits that are printed on its face: this enables E, when the test demands it, to pronounce the test numbers while displaying the card to S. The purely auditory and the auditory-visual-hand-motor series are not included in the printed cards, but should be prepared by E, preferably, for convenience, on a single piece of cardboard, the size of the printed cards. For the auditory series, use the following numbers, in the order given: 6135, 2947, 36814, 57296, 241637, 935816, 8537142. 9412837, 47293815, 71836245, 924738615. 475296318, 8697132504, 2146073859. For the visual-auditory- hand-motor series, use these numbers, reversed, e.g., 5316, etc. Method.—If only a single test can be made, employ the visual- auditory-articulatory form of presentation, since this is most likely to produce uniform conditions of ideational imagery for all $’s. But if the tests can be taken in full, follow the order of presen- tation outlined herewith.1 In any event, preface each form of presentation with a special, short sample-series, without demanding reproduction, in order that S may be perfectly clear as to the nature of the test. Within each form of test, also, preface each presenta- tion with a statement of the number of members in the coming series, e.g.: “This will be a series of 5 digits.” The metronome should be set at 60, i.e., one stroke per sec., for all tests.2 1 It goes without explanation that the longer series may be omitted with very young, the shorter with mature S’s. Use, for the shortest series, one that is easily within the span of the poorest S to be tested, for the longest series, one that is too difficult for the best S to reproduce without error. 2 It may be well at this place to point out the differences between this procedure and that followed by Smedley at Chicago. Smedley used no series longer than 8. He gave no warning of the length of the coming series. He set the metronome at 90. He did not present the several series in regular order, but irregularly, though beginning with an easy series. He inserted an interval of 5 sec. between presentation and reproduction. He distributed
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