Japanese Psychological Research

TEN YEAR FOLLOW-UP STUDY ON THE EARLY PREDICTION OF JUVENILE DELINQUENCY BY MEANS OF THE RORSCHACH TEST

JUN ICHIMURA

1966 Volume 8 Issue 4 Pages 151-160
Published: 1966
Released on J-STAGE: February 24, 2009

DOIhttps://doi.org/10.4992/psycholres1954.8.151

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In order to confirm the relation between the Rorschach protocols and the appearance of delinquent behavior, the Rorschach test was administered to the preschool boys whose misconducts were followed up until they pursued the compulsory education of nine years.
Comparison was made between 40 non-delinquents and 30 delinquents, using both statistical and evaluative methods, and both a predicting scale and a prediction table were devised.
Both methods were found to be able to differentiate non-delinquent group from delinquent group with statistical significance.
It was concluded that the Rorschach protocols which were obtained from the preschool children were proved to predict the appearance of delinquent behavior in about 10 years thereafter.

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THE UNDERSTANDING OF THE LOGIC OF CLASSES AND NUMBER IN THE CHILD

FUSAKO IIJIMA

1966 Volume 8 Issue 4 Pages 161-169
Published: 1966
Released on J-STAGE: February 24, 2009

DOIhttps://doi.org/10.4992/psycholres1954.8.161

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The child's understanding of the logic of classes and number was investigated. To clarify the process of understanding the logic of classes, two kinds of procedures, “association-learning” and “deduction-learning” were investigated.Ss were four, five and six-year-old children. They could not understand the relation between class and sub-classes. After the experimental operation, the older children could understand that A′ contained less elements than B, when the number of sub-class (A′) was smaller than that of the other sub-class (A)(A+A′=B).

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RUNNING SPEED AND “VIGOR” OF CONSUMMATORY BEHAVIOR AS FUNCTIONS OF SUCROSE CONCENTRATION AND ITS SHIFT

HIROSHI IMADA, KUNIO NIIHAMA

1966 Volume 8 Issue 4 Pages 170-178
Published: 1966
Released on J-STAGE: February 24, 2009

DOIhttps://doi.org/10.4992/psycholres1954.8.170

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The effects of sucrose concentration incentive and its shift upon runway performance and tongue pressure were investigated using 31 rats. The Ss were first trained to run down an alley for either 20% (Group H) or 2% (Group L) of sucrose solution and then the concentrations were switched for half of the Ss in each group. For the nonshift groups, the shift was introduced at the later stage of training. The following results were obtained, 1) Group H ran significantly faster and showed consistently stronger tongue pressure, though not significantly, than Group L. 2) The running speed significantly decreased and increased with decrement and increment of reward concentration, respectively. The tongue pressure also showed approximate parallelism with the running speed. 3) The changes in runway performance were significantly more rapid when the upward shift in concentration was introduced after 99 trials than after 60 trials.

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A PSYCHOPHYSIOLOGICAL STUDY OF THE DEPTH OF SLEEP

KEISUKE NAKAMURA, SHINKURO IWAHARA, KIYOSHI FUJISAWA

1966 Volume 8 Issue 4 Pages 179-191
Published: 1966
Released on J-STAGE: February 24, 2009

DOIhttps://doi.org/10.4992/psycholres1954.8.179

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Relationships were studied between 6 EEG stages of sleep (I through V, and SA or “activated” sleep) and behavioral indices (reaction time to an auditory stimulus, and motor and verbal response to a varying number of light flashes) during human natural sleep. Results showed that the depth of sleep as expressed by reaction time and perception (cognition) of the varying number of flashes was a monotonic function of the order of the EEG sleep stages from I through V. Adaptation factor seemed to be negligible. Reaction time was the most sensitive measure of simple sleep depth among the behavioral measures used in the present study. Stage SA lied between stages V and IV or III in these measures. However, in case of incorrect or no motor response to flashes, S could correctly verbalize the number of the flashes more often during stage SA than during any other stages. The finding was interpreted in terms of the “dissociation” between motor and cognitive responses during this stage. EEG reactivities to the auditory and visual stimulations, and their relations to the behavioral measures were also discussed.

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ON CATEGORICAL SCALE OF SIZE

YOSHIHISA TANAKA

1966 Volume 8 Issue 4 Pages 192-195
Published: 1966
Released on J-STAGE: February 24, 2009

DOIhttps://doi.org/10.4992/psycholres1954.8.192

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Subjective scales of size are constructed for straight lines, squares and cubes by the method of successive categories. Eighteen subjects are divided into two groups, the trained group and the naive group. The former served as subjects in an experiment of scaling of size. Results for the naive subjects indicate that these subjects may judge the subjective size of area and volume by the length of the side lines, but the results of the trained subjects indicate the possibility of obtaining scales based on naive judgment of size.

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ERRATA

1966 Volume 8 Issue 4 Pages e1a
Published: 1966
Released on J-STAGE: February 24, 2009

DOIhttps://doi.org/10.4992/psycholres1954.8.4_e1a

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ERRATA

1966 Volume 8 Issue 4 Pages e1b
Published: 1966
Released on J-STAGE: February 24, 2009

DOIhttps://doi.org/10.4992/psycholres1954.8.4_e1b

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