• Journal of the Korean Society for Aviation and Aeronautics
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• v.26 no.2
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• pp.31-38
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• 2018

The pilot aptitude test so far has been conducted with a dichotomous concept of cognitive factor and non-cognitive factor, so it was not easy to explain concrete factors about pilot aptitude. Therefore, an integrated approach is needed to construct pilot aptitude test including all factors that can predict pilot aptitude. In previous study, we developed questionnaire items for the Pilot Aptitude Personality Test(PAPT) which can predict the flight training achievement through personality and personal characteristics. And those items were categorized as personality, cognition, and motivation factors. The flight training grades were correlated with all the test factors of the items, and the cognitive factors were high. As a result of the regression analysis, the total score of the three factors together accounted for 16% of the flight training grades. The results of the ANOVA showed that the cognition factors and motivation factors had significant effects on the completion of the flight training. The factors of PAPT predicted not only the completion of the flight training but also the flight performance. This is because the existing paper-pencil pilot aptitude test can only discriminate the flight training completion status. This is also a result of the fact that the introductory flight training consists of various factors including not only basic cognition but also personality and motivation.

• Journal of the Korean Institute of Gas
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• v.10 no.1 s.30
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• pp.1-6
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• 2006

To use pressurized facilities safely and effectively, a likelihood of failure (LOF) for the brittle fracture was analyzed quantitatively through the risk based inspection using API-581 BRD. We found that for the case of the low temperature/low toughness and the temper embrittlement, the technical module subfactor (TMSF) showed high value for the A impact curve, low temperature, and the no post weld heat treatment. But the risk didn't significantly change at the $855^{\circ}F$ embrittlement, and the LOF far the sigma phase embrittlement showed high value at low temperature of the high sigma.

• Korean Journal of Human Ecology
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• v.19 no.6
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• pp.993-1002
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• 2010

This study sought to determine wether the reliability of the KIP-C is affected by mothers' scores on of MMPI. Particiapants in this study were 100 mothers whose children visited the a children's psychiatric hospital. They were sorted into two groups; diagnosis consistent group and diagnosis inconsistent groups. the diagnosis inconsistent group showed significantly higher scores on L(p<.001) and K(p<.001) scales, while the diagnosis consistent group had higher scores on F, Ma and Si scales. When comparing the KPI-C of the groups, the diagnosis consistent groups showed significantly higher scores in ANX, SOM and HPR scales(p<.05). A correlation analysis of the validity scales of MMPI and the scales of KPI-C also showed significant correlation. It was also shown that the characteristics of the mothers' personality have important effects on their perception of their children's problems. In particular, the stronger the mothers defensive characteristics, the lower the reliability of their perception of their children's problems. Reciprocally, reliability was higher when the mothers acknowledged their problems.

• Restorative Dentistry and Endodontics
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• v.32 no.3
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• pp.208-221
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• 2007

The fracture toughness test is believed as a clinically relevant method for assessing the fracture resistance of the dentinal restoratives. The objectives of this study were to measure the fracture toughness $(K_{1C})$ and microtensile bond strength of dentin-resin composite interface and compare their relationship for their use in evaluation of the integrity of the dentin-resin bond. A minimum of six short-rod specimens for fracture toughness test and fifteen specimens for microtensile bond strength test was fabricated for each group of materials used. After all specimens storing for 24 hours in distilled water at $37^{\circ}C$, they were tensile-loaded with an EZ tester universal testing machin. Statistical analysis was performed using ANOVA and Tukey's test at the 95% confidence level, Pearson's coefficient was used to verify the correlation between the mean of fracture toughness and microtensile bond strength. FE-SEM was employed on fractured surface to describe the crack propagation. Fracture toughness value of Clearfil SE Bond (SE) was the highest, followed by Adper Single Bond 2 (SB), OptiBond Solo (OB), ONE-STEP PLUS (0S), ScotchBond Multi-purpose (SM) and there was significant difference between SE and other 4 groups (p < 0.05). There were, however, no significant difference among SB, OB, OS, SM (p > 0.05). Microtensile bond strength of SE was the highest, followed by SB, OB, SM, OS and OS only showed significant lower value (p < 0.05). There was no correlation between fracture toughness and microtensile bond strength values. FE-SEM examination revealed that dentin bonding agent showed different film thickness and different failure pattern according to the film thickness. From the limited results of this study, it was noted that there was statistically no correlation between K1C and ${\mu}TBS$. We can conclude that for obtaining the reliability of bond strength test of dentin bonding agent, we must pay more attention to the test procedure and its profound scrutiny.

• The Korean Journal of Elementary Counseling
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• v.11 no.1
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• pp.51-69
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• 2012

This research is a fundamental research to provide the foundation that psychological test can be utilized efficiently. It investigated and studied the reality of the psychological test used in elementary school, teacher's degrees of understanding and utilization of psychological test, requirements for improving the psychological test that is performed currently, and the direction of the testing tools that are required by elementary school. First, the main purpose of psychological test was different. The tests that were usually utilized in elementary schools were career inventory test and aptitude test, followed by personality test, learning test, creativity test and intelligence test in order. Second, it showed that teachers read the testing manual before carrying out the psychological test and understood it individually, the degree of understanding of T score showed to be the lowest. As a factor that hampered elementary school teacher's understanding of the psychological test, there was insufficiency of the teacher's professional knowledge, and it showed that the preparatory training for teachers about the tools of psychological test was necessary in order to improve this. Teacher's degree of utilization of psychological test showed to be lower than that of understanding. As a factor that influenced this kind of utilization by teachers, the lack of methodical understanding in afterwards guidance after the testing was the biggest factor. To increase the teacher's degree of utilization of psychological test, it was investigated that advice for more specific methods of guidance after the testing was necessary. Third, cross analysis was executed to find out if there was difference in the degree of understanding and utilization of psychological test according to whether a teacher completed the education course regarding counseling or not, and as a result, there was difference in the degree of understanding regarding some tests, but there was no difference found in the degree of utilization. Besides these, the point to be complemented in psychological test that was currently executed elementary schools and the direction of the testing tools that elementary schools require were investigated.

• Korean Journal of Psychosomatic Medicine
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• v.11 no.1
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• pp.69-76
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• 2003

Objectives: Many researches have been done to compare psychopathology of functional gastrointestinal disorder and inflammatory bowel disease which involves structural change. Recently, many studies focused on the topic of alexithymia. The results from these studies were questionable for lack of valid measures of alexithymia and valid diagnostic criteria of functional gastrointestinal disorders. Therefore, we tried to overcome these two problems and to assess alexithymia, personality characteristics, and other psychopathology. Methods: The subjects consisted of ulcerative colitis group(N=28) who were diagnosed by colonoscopy and biopsy, irritable bowel syndrome group(N=27) who were diagnosed by Rome II criteria and normal control group(N=22). All patients were diagnosed at outpatient department of Kyungpook National University Hospital. All these groups completed three psychological tests, including MMPI, Rorschach test, and well validated TAS-20K(The Korean Version of the 20-Item Toronto Alexithymia Scale). Results: Twenty-five percent of the ulcerative colitis group and 22% of the irritable bowel syndrome group scored in the alexithymia range, compared with 0% of the normal group. In Rorschach test, irritable bowel syndrome group showed high levels of weighted Sum C and EA. Most of clinical scales of MMPI were higher in two gastrointestinal groups than the normal control group. And two gastrointestinal groups showed low ego strength level, but there was no statistical significant difference between them. Conclusion: Two gastrointestinal groups showed high rate of alexithymia, other psychopathological profiles, and low ego strength but there was no significant difference between two groups.

• Journal of Oral Medicine and Pain
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• v.23 no.4
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• pp.361-368
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• 1998

In order to evaluate the clinical features of the rcurred patients with temporomandibular disorders, 52 patients were subjected at the Dept. of Oral Medicine, PNUH from 1985 through 1996. As related to gender, duraton and diagnosis, Ll the relate factors-multiple diagnosis, emotinal problem, history of treatment, parafunctional habit, life distrubance, and trauma were analyzed. The obtained results were as follows : 1. The patients with multiple diagnosis were 83 percent and more often seen in women, chronic group and muscle-joint disorder group. 2. Duration of retreatment in chronic group and muscle-joint disorder was longer. 3. The patients with oral parafunctional habits were 89 percent and more often seen in women, chronic gorup, muscle-joint disorder group. 4. the Recurred patients showed 46 percent in history treatment, 42 percent in life distrubances, 39 percent in macrotrauma and 12 percent in emotional problem.

• Korean Journal of Psychosomatic Medicine
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• v.4 no.1
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• pp.54-63
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• 1996

In this cluster analysis of out-patients with irritable bowel syndrome (IBS) we described the psychological features and personality patterns of these patients. The Minnesota Multiphasic Personality Inventory (MMPI) was administered to 29 IBS patients who received treatment in the gastroenterology department of Ajou University Hospital to produce individual profiles for each patient. The 29 profiles with 13 standard scales, 15 content scales and 11 personality scales were subjected to cluster analysis resulting in three clusters of the original sample. Titles used to describe the psychological features and personality patterns seen in the three clusters included : (1) depression and anxiety : (2) somatization and denial of affect ; (3) anger overcontrol. Future studies on the treatment of IBS patients may well consider these features, as IBS patients have different psychological patterns.

• Journal of Chest Surgery
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• v.29 no.3
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• pp.342-345
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• 1996

Mycotic anuerysms are uncommon but it is a fulminant infectious process frequently resulting in rupture and death if not properly treated. Commonly known it as infected aneurysm caused by noncardiogenic bacteremia. We experienced a case of infected aneurysm of the abdominal aorta that ruptured into the retroperitoneum. A 57 year old man was admitted with lower back pain, fever and palpable mass. It was identified as an inf cted abdominal aneurysm with staphylococcal septicemia. He underwent resection of aneurysm and replacement with a prosthetic graft and prolonged postoperative organism-specific antibiotics therapy. He recovered well and discharged without complications postoperatively.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.25 no.2
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• pp.86-89
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• 2014

Functional dysphonia (FD) is a voice disorder in the absence of structural or neurologic laryngeal pathology. FD is not a single disease but a disease entity. Therefore several voice disorders, which have completely different pathogenesis, are included in this category. The first step of treatment of FD is differentiating patient's voice symptoms from other organic voice disorders and other functional voice problems. Several different treatment modalities are included in the managements of FD. Voice therapy is in charge of the main role in treatment of FD. Medical treatment is also necessary when patient has general problems which would affect voice production. Vocal folds mucosal lesions can cause FD even the lesion is minor. In this case proper surgical intervention helps to improve the symptom of FD. Psychiatric consultation should be considered when the patient has psychological problems.