The purpose of this study was to find out how the feebleminded, who have completed the ordinary primary school course, adjust themselves to their social environment. Nine hundred and three feebleminded were chosen as subjects out of 1, 409 pupils whose I. Q. were below 69 on the Sumita Intelligence Test. The Sumita Test had been administered in December, 1948, on almost all pupils in. Shiga Prefecture, ranging from the fourth grade of primary school to the third grade of middle school.
Interview method was used for this particular study during the period of February through July, 1955.
Results of the study were as follows:
1) Eight phenomenal adjustment types were noticeable based on the following criteria: Subjects' vocation;
411 are helping housekeeping (hereafter called Group I)
492 are employed by factories, firms, etc.(hereafter called Group II)
Degree of acceptance by people around:
Group I: 64 accepted (1)
315 less well accepted (2)
32 not accepted (3)
Group II: 38 accepted (4)
348 less well accepted (5)
87 not always accepted (6)
19 not accepted (7)
Degree of stability in the environment:
stable 304 (i)
less stable 354 (ii)
unstable 245 (iii)
Shown below are the eight types and the frequency:
Type 1 (I-1-i, ii) 37
Type 2 (I-2-i, ii) 213
Type 3 (I-1, 2-iii) 129
Type 4 (I-3-ii, iii) 32
Type 5 (II-4, 5-i, ii) 339
Type 6 (II-6, 7) 87
Type 7 (II-8) 19
Type 8 (II-4, 5-iii) 47
The relations between the eight types and the following conditions were not discerned:
Subject's chronological age.
I. Q.
Achievement at school.
Training method of school.
Nature of the vocation.
Amount of work.
Parents' vocation.
Living standard.
Members of family.
School education of parents.
2) These Types of phenomenal adjustment are not always consistent. In comparing their degree of social adjustment, we found that:
Better adjusted after school course: 279
Slightly adjusted after school course 317
Not changed in adjustment 211
worse adjustment after school course 41
Unknown 51
No significant relations were discerned between these five groups and the conditions mentioned in Paragraph 1).
The degree of social adjustment in Group I is greater than that of Group 11.
3) We consider that the cause for shifting from one type of social adjustment to another depends largely on following factors:
Degree of maturity of the subject
Change in the environment of the subject after school course
On this assumption, we performed case study. We then discovered that subject's willingness and understanding of his job and living are the dominant factors in this cause of shifting. Based on the degree of shifting, we classified the subjects into three categories:
Adjustment: 216
No adjustment: 538
Maladjustment 149
We tried to find relations between these three categories and the conditions set forth in Paragraph
1) but no significant relations were noticeable. However, the way they adjust themselves, the degree of stability, whether or not they are engaged in some occupation, the way they are understood by people around-these factors are correlative one another.
In addition to the above findings, we were also able to get some results which prove valuable in guidance, education and administration of the feebleminded.
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