• Korean Journal of School Psychology
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• v.9 no.3
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• pp.485-503
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• 2012

Academic engagement has been known as a strong predictor of students' cognitive and affective outcomes in an educational context. Despite increasing interest and theoretical usefulness of this construct, a few researchers seem to be interested in the validation of instruments to measure academic engagement for Korean students. Thus, this study would like to introduce one of academic scales widely used, UWES-S(Utrecht Work Engagement Scale-Student) (Schaufeli et al., 2002a: 2002b) and to validate the UWES-S for Korean college students. To validate the Korean version of the UWES-S, 651 college students (285 for Field Trial, 366 for Main Study) were used. The procedure is as follows. First, we used an integrated adaptation procedure to produce a Korean version of the UWES-S. Second, EFA(exploratory factor analyses) was applied to explore the factor structure of the UWES-S on the field trial data. Third, the psychometric properties of the UWES-S items were examined by graded response model(GRM). Also CFA(confirmatory factor analysis) was used to examine its internal construct validity for the data from the main study. Finally, the external validity of the UWES-S was scrutinized with the related variables such as academic motivation and satisfaction. As a result, the Korean version of the UWES-S with 13 items was accepted that the four items were excluded from its original version. Second, the internal validity was supported that the 3 factor CFA model(vigor, dedication, absorption) fit the data well. Third, we supported the partial mediation model that academic engagement played as a mediating variable between academic motivation(internal/external) and academic satisfaction. Finally, the differences between a validation of UWES-S for Korean college and high school students, the necessity of construct equivalence testing, and direction for future research of scale validating were discussed.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.19 no.5
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• pp.357-365
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• 2018

This descriptive study was conducted to investigate the relationship between clinical learning environment, professor trust, and academic engagement in nursing students. The findings of the study provide the basis for nursing education improvement related to academic engagement in nursing students. Data were collected from 120 nursing students at a university. Measurement parameters consisted of clinical learning environment (CLE, Clinical Learning Environment) 19 items, professor trust (PTS, Professor Trust Scale) 27 items, and academic engagement (UWES-S, Utrecht Work Engagement Scale-Students) 13 items. The general characteristics of respondents were as follows: average age 21.91 years, females 87.4%, third grade 50.5%, fourth grade 49.5%, and an academic score just before the semester of high 16.2%, middle high 35.1%, middle low 36.9%, or low 11.5%. Academic engagement showed a statistically significant correlation between clinical learning environment and professor trust. Regression analysis showed that clinical learning environment (CLE), professor trust (PTS), and academic score just before the semester affected academic engagement. Results of this study suggest that clinical learning environment should be improved, and professor's efforts to give students credibility should be followed for academic engagement of nursing students.

• Journal of Navigation and Port Research
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• v.26 no.1
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• pp.28-34
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• 2002

Irregular reflected signals on a sea surface make clutters to a ship's radar image. Clutters are similar to Gaussian white noises which are very harmful for detecting objecting at sea by a ship's radar. To remove the clutter effects, many papers show the algorithms by antenna, filters, and so on. This paper shows a new algorithm which uwes Wavelet and Morphology median filter conceps for removing clutter and enhancing image in order to detect well a distressed of being rescued ship in a rough weather condition at sea.