A Factorial Study of the Temperament of Japanese College Male Students by the Yatabe-Guilford Personality Inventory

The purpose of this study is to construct for Japanese subjects a personality inventory which is similar to the Guilford Personality Inventory of factors STDCR and Guilford-Martin Inventory of factors GAMIN, and 0, Ag, and Co, (5, 6, 7,) and is to ascertain the validity of the scales, especially the factorial structure of the inventory.Our inventory is called the Yatabe-Guilford Personality Inventory. CONSTRUcnON OF THE INVENTORYOne of the authors, Yatabe (16) translated all items of Guilford's thirteen scales into Japanese, and selected 240 items except (1) those which were hard to be put into the Japanese language, and (2) those which were too dependent on social attitude rather than temperament, and in addition, (3) the items which included emotionality factor in scales of S, T, R, G and A in order to establish the independency among the scales.Two hundred and forty items were analysed for each preliminary scale by good-poor analysis_ Upper and lower quarters of the sample of 200 college male students were selected for all scales, and as an index of internal consistency chi-squares were Table 1 Yatabe-Guiford Twelve Scores S: Soeial Introversion.difficulty in starting conversation with straogers, difficulty in making new friends, reticent, easy to talk with most peorle, mix socially with people, confused in a socia group.T: Thinking Introversion_ carefree, philosophically inclined, meditative, stop and think before acting, lost in thought, enjoy thinking out complicated problems, over• conscientious.D: Depression. in low spirits, have the blues, feel lonesome, feeling of unworthiness, feel tired most of the time, vage uneasiness.C: Cyclic Tendency.(Emotional instability) ups and downs in mood, state of excitement, interests change quickly, tense 01" high.strung.R: Rhathymia.happy-go-lucky, crave excitement, jump at con• c1usions, talkative, act on the spur of the moment without thinking things over, enjoy participating in a showing ot .. Rah Rah .. enthusiasm.G: General Activity.wotk faster, adapt oneself easily to new conditions, turn out a large amount of work in a short time, lively, alert to surroundings, in good spirits.