Dr. R. LadoのAural Perception Testについての一考察
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Dr. Lado published his Test of Aural Perception in English for Japanese Students in the present form in 1957. It has been highly esteemed as a sort of forerunner in the field of aural perception analysis for Japanese students learning the English language. There are, however, some places where criticisms and improvements should be made. We call the test Lado Test hereafter. We redivided twenty five items of Lado Test, though actually twenty three, into four sections: [A], [B], [C], and [D]. (cf. Appendix III).[h], 9 [n] : [〓], 12 [〓] : [〓] (low-back), 14 [〓] : [s], and 17 [〓]: [z] . [B] contains four items with sound contrasts. They are 5 [m] : [〓], 16 [g] : [〓], 18 [〓] : [〓], and 19 [e] : [〓] . But these contrasts are to be called easily reformable. (cf. Appendices I and II). [C] has six items. They are 2 [〓] : [i] , 7 [〓]: [〓] , 8 [〓] : [t], 11 [s] : [〓], 23 [〓]: [〓], and 25 [〓] : [〓] . All of them are not only remediable but distinguishable with little difficulty. Items in [A], [B], and [C] are all obviously, though with more or less different degrees, effective and appropriate in the respect of aural perception diagnosis. Improvements are to be performed on the five items, actually seven in all, in [D] . 10. [i] : [e] . Experiments say that productive distinction of these two sounds is difficult but perceptive distinction is not. 13, 21, and 24. A problem of aural perception in these items is 'a consonant cluster or combination confused with the same consonants separated by vowels.' However no specific principle is formulated nor is the reason why three items instead of one are necessary given here either. 15. [d] : [〓]. The four examples are imperfect. To differentiate these two sounds is rather easy anyway. 20. The exact same thing as in 15 can be stated. 22. [z] : [〓] . There are four cases in combining two voiced fricatives [z] and [〓] and two voiced affricates [〓] and [dz] . They are [z] : [〓], [z] : [dz], [〓] : [〓], and [〓] : [dz] . Lado Test has two of these, 18 [〓]: [〓] and 20 [z]: [〓]. The latter one especially could have better examples. A few words as general remarks on Lado Test. 1. Lado Test attempts rather forcibly to complete the form of one hundred examples. 2. It contains no contrasts of vowels in unstressed syllables, diphthongs and consonant clusters particularly difficult for Japanese students. As a compensation for our criticism on [D] as well as for the above mentioned remarks, seven practical suggestions are given. 1. [w] confused with [r] . 2. [m] confused with [n] . 3. [dz] confused with [z] . 4. [d] confused with [〓]. 5. [n] confused with [nd] . 6. [〓〓], [z〓], [t〓], and [n〓] are suggested as the most. difficult consonant clusters, orally and aurally, for Japanese students. We have to consider that they quite frequently occur in the environments accompanied with 'the', 'they', 'that', and 'there.' 7. [ou] confused with [〓] Aural perception test can be likened to a scale to weigh a baby. Weighing must be followed by feeding nourishments. Hence results of testing are to be applied and utilized for more effective methods of remedy.
- 外国語教育メディア学会の論文
- 1973-03-31
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