The Instruments of the Research The Technique of Data Analysis
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9. Man-men
10 58.8
10. Mouse-mice
11 64.7
11. Tooth-teeth
9 52.9
12. Deer-deer
14 82.3
13. Person-people
10 58.8
14. Woman-women
12 70.5
15. Stimulus-stimuli
17 100
16. Goose-geese
17 100
17. Sheep-sheep
12 70.5
18. Crisis-crises
17 100
19. Bacterium-bacteria
16 94.1
20. Person-people
9 52.9
21. Deer-deer
14 82.3
22. Belief-beliefs
16 94.1
23. Mouse-mice
13 76.4
24. Goose-geese
17 100
Of the total 24 test items on irregular nouns above, there are as many as 10 items that appear at least twice on the test. This is intended to investigate whether
the students do the test better or even worse, as to reveal the theory of errors that a learner is said to commit an error when he or she consistently gets it wrong. The
items that appeared twice are the nouns child; tooth; woman; sheep; man; deer; and goose, while the items that appeared three times are the nouns mouse and
person. The noun word child shows the decreasing attainment from 6 wrong
answers to 7 wrong ones. The word tooth gives a slight better increase from 10 wrong answers to 9 wrong ones. The noun word woman and sheep have their
decrease from 10 errors to 12 errors. The noun word man has its stable number of 10 wrong answers. The noun words deer and goose have their consistent number
of errors, i.e. 14 and 17, respectively.
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As seen from the table, the noun words that appear 3 times on the test are the nouns mouse and person. The noun word mouse shows its number of errors as
11 on the first test part, 11 on the second part, and 13 on the last part of the test. In other words, it shows its quite constant level, if not the decrease one. Similarly,
the noun word person has its relative stable value from the first part through the third part of the test, i.e. 10, 10, and 9.