• Journal of Korean Academy of Psychiatric and Mental Health Nursing
• /
• v.27 no.4
• /
• pp.342-354
• /
• 2018

Purpose: The purposes of this study were to develop an acceptance commitment-based cognitive behavioral program for patients with schizophrenia and to use it as an intervention tool for psychiatric mental health nursing and thereby confirm the program's effects on patients' psychological flexibility, psychological well-being, and treatment adherence including insight and attitude toward treatment. Methods: This study consisted of a pretest, posttest 1, and posttest 2 for a nonequivalent control group design. The participants were 42 patients with schizophrenia (experimental group: 21, control group: 21). The acceptance commitment-based cognitive behavioral program was conducted in 10 sessions for 5 weeks. Data collected from February to April 2018 were analyzed using the SPSS/WIN 25.0 for $x^2$ test, Fisher's exact test, independent t-test, and repeated measurement ANOVA. Results: The differences between experimental and control groups were statistically significant regarding psychological flexibility, psychological well-being, and insight. Conclusion: This study findings suggest that the acceptance commitment-based cognitive behavioral program can be used as an effective mental health nursing intervention for psychological flexibility, psychological well-being, and insight of patients with schizophrenia.

• Journal of Forest and Environmental Science
• /
• v.38 no.4
• /
• pp.290-301
• /
• 2022

Increasing life expectancy leads to a rise in the prevalence of aging-related mental diseases and a concomitant increase in the financial and societal pressures related to their prevention and management. This issue is attracting increasing attention from researchers. Therefore, this study aimed to determine whether a healing program in a forest environment is effective for improving cognitive function, depression, anxiety, and stress in elderly people. A nonequivalent control group pretest-posttest design was used. The experimental group consisted of 18 males and females aged 60 to 80 years who participated in a forest healing program for seven days, while the comparison group comprised 10 people with similar demographics. For the process of data analysis, this study performed a cross-analysis to determine the homogeneity of the data and carried out the Wilcoxon signed-rank test, a nonparametric statistical test, to verify the significance of each group. Participation in the forest healing program led to a significant improve-ment in cognitive function (p=0.030). The levels of depression decreased, but this result was not statistically significant. The levels of anxiety decreased significantly (p=0.004). The mean cortisol score, a measurement of stress, decreased, but it was not statistically significant. These findings confirmed the effectiveness of this program for improving certain mental conditions of elderly people, and affirmed that the use of long-term forest healing programs can be expected to alleviate national pressures created by aging societies.

• Journal of Korean Elementary Science Education
• /
• v.18 no.2
• /
• pp.21-33
• /
• 1999

The purpose of this study was to develop an Instrument for the Measurement of Cognitive Conflict Levels of students who confronted with an anomalous situation in science teaming. Anomalous situation is generated when students' prediction is disconsistent with the observed fact. In this study, the researchers identified 4 components of cognitive conflict and developed three items for each component. The items were developed and revised by four pilot tests. In the first pilot test, 55 elementary school students participated in the test In the second pilot test, 88 students of the 5th and 6th grader participated in the test. The instrument of measuring cognitive conflict levels was given to the subjects right after demonstrating anomalous situation. For the demonstration, two different problem situations were developed: one was a pulley problem and the other was electric bulbs in parallel. Answered reasons for each items were analyzed to assess students' understanding on each items. In third pilot test, 125 elementary school students participated in the test. A factor analysis of the responses was carried out and reliability of the test was assessed by calculating internal consistency values. The items were finalized by three pilot tests. After 1 month after the third pilot test, researchers conducted the finalized test items to 323 students of the 5th and 6th grader. The final instrument showed moderate reliability (Cronbach-α 0.82∼0.87) and good content validity(0.93). A factor analysis of the response was carried out. 4 main factors completely coincided with 4 components that we supposed to be the conducts of cognitive conflict. The instrument can provide a means for both teachers and researchers to assess the cognitive conflict of a large number of students within a single class period. The results can be used by teachers to better understand the process of conceptual change of their students and to match instruction and materials accordingly.

• Korean Journal of Cognitive Science
• /
• v.6 no.2
• /
• pp.27-45
• /
• 1995

In this paper, we suggest the "Fuzzy Behavior Knowledge Space(FBKS)" and explain how to utilize the FBKS when aggregating decisions of individual classifiers. The concept of "Behavior Knowledge Space(BKS)" is known to be the best method in the context that each classifier offers only one class label as its decision. However. the BKS does not considers measurement value of class label. Furthermore, it does not allow the heuristic knowledge of human experts to be embedded when combining multiple decisions. The FBKS eliminates such drawbacks of the BKS by adapting the fwzy concepts. Our method applies to the classification results that contain both class labels and associated measurement values. Experimental results confirm that the FBKS could be a very promising tool in pattern recognition areas.

• Korean Journal of Cognitive Science
• /
• v.10 no.3
• /
• pp.77-83
• /
• 1999

With a surge of interest in OCR in 1990s a large number of handwriting or h handprinting databases have been built one after another around the world. One problem that researches encounter today is that all the databases differ in various ways including the script qualities. This paper proposes a method for measuring handwriting qualities that can be used for comparison of databases and objective test for character recognizers. The key idea i involved is classifying character samples into a number of groups each characterizing a set of qualities. In order to evaluate the proposed method we carried out experiments on KU-1 database. The result we achieve is meaningful and the method is helpful for the target tasks.

• Journal of Institute of Control, Robotics and Systems
• /
• v.17 no.3
• /
• pp.211-217
• /
• 2011

This paper proposes a quasi-optimal linear DOA (Direction-of-Arrival) estimator which is necessary for the development of a real-time robot auditory system tracking moving acoustic source. It is well known that the use of conventional nonlinear filtering schemes may result in the severe performance degradation of DOA estimation and not be preferable for real-time implementation. These are mainly due to the inherent nonlinearity of the acoustic signal model used for DOA estimation. This motivates us to consider a new uncertain linear acoustic signal model based on the linear prediction relation of a noisy sinusoid. Using the suggested measurement model, it is shown that the resultant DOA estimation problem is cast into the NCRKF (Non-Conservative Robust Kalman Filtering) problem [12]. NCRKF-based DOA estimator provides reliable DOA estimates of a fast moving acoustic source in spite of using the noise-corrupted measurement matrix in the filter recursion and, as well, it is suitable for real-time implementation because of its linear recursive filter structure. The computational efficiency and DOA estimation performance of the proposed method are evaluated through the computer simulations.

• Journal of Korea Entertainment Industry Association
• /
• v.14 no.5
• /
• pp.207-215
• /
• 2020

Studies on aesthetic experience in games mostly focus on engineering approach centered on structural determination of specific target within the game as well as humanistic·social approach in forms of artistic conversation on game play experience. This paper have established a theoretic guideline regarding the progress of aesthetic experience which allows analysis from the perspective of player experience acquired during game play. Based on such guideline, the study classifies cognitive data (Eye-Tracking, Playing Action, Facial Expression) on aesthetic experience and suggests the methods to measure such data. By deducing errors and points to be considered related to measuring methods through pilot tests, this study will contribute to the execution of empirical study focused on player perspective.

• Journal of the Korean School Mathematics Society
• /
• v.16 no.3
• /
• pp.561-582
• /
• 2013

Meanwhile, the meaning has been emphasized in mathematics. But the meaning of meaning had not been clearly defined and the meaning classification had not been reported. In this respect, the meaning was classified as expressive and cognitive. Furthermore, it was reclassified as mathematical situation and real situation. Based on this classification, we investigated how student recognizes the meaning when solving mathematical modeling problem. As a result, we found that the understanding of cognitive meaning in real situation is more difficult than that of the other meaning. And we knew that understanding the meaning in solving of equation, has more difficulty than in expression of equation. Thus, to help students understanding the meaning in the whole process of mathematical modeling, we have to connect real situation with mathematical situation. And this teaching method through unit and measurement, will be an alternative method for connecting real situation and mathematical situation.

• Journal of Digital Contents Society
• /
• v.18 no.3
• /
• pp.443-455
• /
• 2017

This study is a follow-up study of Smart-phone Application Content Development for the Measurement and Management of Adolescents' Depression(J. S. Park et al., 2016), that designing and implementing a smart-phone application based on cognitive behavioral therapy. This app facilitates analysis of depressive symptoms, and a simple, continuous self-check. Through this, the app will allow for continuous management of the psychological states by avoiding one-off or comprehensive analysis and diagnosis of depression, unlike previous app. We also aim to make a connection to the practical counseling services. To achieve this goal, we examined not only existing studies on youth depression, but also mobile applications related to depression.

• The Journal of the Korea Contents Association
• /
• v.17 no.1
• /
• pp.402-411
• /
• 2017

To develop a more efficient computer-based empathy program that enables medical students to increase their empathy levels, and to test its applicability to medical students. We developed PACP (the Pain Assessment Computer Program) for measurement of medical students' levels of recognition of another's pain. An empathy questionnaire was administered to 145 medical students before and after the PACP. In the high empathy group, the scores for cognitive empathy increased significantly after completion of the PACP, while affective empathy scores showed no significant change. In contrast, in the low empathy group, both cognitive and affective empathy scores increased significantly after the PACP. The PACP effectively increased cognitive empathy for the high empathy group, and increased both cognitive and affective empathy, particularly for the low empathy group. Given the fact that existing empathy education programs are time-consuming and costly, and the demand for more efficient empathy education is high, the PACP as a useful tool can be applicable to medical students, particularly those with low empathy in order to enhance their empathic abilities within a short period of time.