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331.

Japan's GIGA School Initiative: Environmental Change and Its Educational Use

장지은(Jang Ji-eun), 박주언(Park Ju-eon), 마츠오유미(Matsuo Yu-mi), 송미란(Song Mi-ran) 한국교육학회 교육학연구 25 Pages

한국교육학회 교육학연구 2022, 60권 7호 4 63-87 (25 pages)

장지은(Jang Ji-eun), 박주언(Park Ju-eon), 마츠오유미(Matsuo Yu-mi), 송미란(Song Mi-ran) 저
...
- 5,400원
This study analyzes the characteristics of Japan's Global Innovation Gateway for All (GIGA) school initiative, which promoted various educational outcomes through environmental changes that improved schools’ information and communications technology (ICT) during the COVID-19 period. For this purpose, this literature review examines the theoretical understanding of the educational environment, the policy background of the GIGA school initiative, its main educational values, and the policy in...
332.

Application of a Cognitive Diagnosis Model to a Multiple-Choice English Writing Test

조수경(Cho Sookyung) 한국교육학회 교육학연구 20 Pages

한국교육학회 교육학연구 2022, 60권 7호 3 43-62 (20 pages)

조수경(Cho Sookyung) 저
...
- 4,900원
Because a cognitive diagnostic model (CDM) can provide a detailed profile of a second language learner for the purpose of diagnosing their abilities, it has been they are being used in various areas of second language acquisition and learning. However, writing has not been as extensively studied as grammar, vocabulary, or reading comprehension ability due to difficulties in scoring. To date, writing has mostly been evaluated using a direct method, that is, evaluating learners’ essays; however,...
333.

The Impact of Sample Size on Three-Level Quadratic Cross-Classified Multiple Membership Growth Curve Modeling Estimation

정혜원(Chung Hyewon), 전현정(Jeon Hyeonjeong), 박소영(Park Soyoung) 한국교육학회 교육학연구 22 Pages

한국교육학회 교육학연구 2022, 60권 7호 1 1-22 (22 pages)

정혜원(Chung Hyewon), 전현정(Jeon Hyeonjeong), 박소영(Park Soyoung) 저
...
- 5,100원
This study proposes a new model, termed the “three-level quadratic cross-classified multiple membership growth curve model,” which includes a quadratic growth curve to fit a non-linear growth curve to cross-classified multiple membership data in the presence of student mobility. Moreover, to provide guidelines for a minimum sample size requirement for the three-level quadratic cross-classified multiple membership growth curve modeling, this study employed a simulation under a variety of...
334.

Teachers’ Experiences in Implementing Competency-Based Curriculum in South Korea

Lee Sangeun, Yu Ye-Lim 한국교육학회 교육학연구 29 Pages

한국교육학회 교육학연구 2021, 59권 7호 6 137-165 (29 pages)

Lee Sangeun, Yu Ye-Lim 저
...
- 5,800원
The purpose of this study was to explore teachers’ experiences in implementing the competency-based curriculum in South Korea. The following research questions were addressed: (a) What do teachers think about the changes to competency-based curriculum? (b) What kinds of learning experiences have teachers had regarding professional development? (c) What efforts have teachers made to improve their classroom teaching and assessment? (d) How do teachers perceive the learning environment in their...
335.

Multilevel Multiple-Group Latent Profile Analysis of Instructional Practices in Science: Cross-national Comparison between Korea and Japan

Son Yoonhee, Hong Yujung, Park Hyun-Jeong, Kim Junok 한국교육학회 교육학연구 30 Pages

한국교육학회 교육학연구 2021, 59권 7호 3 55-84 (30 pages)

Son Yoonhee, Hong Yujung, Park Hyun-Jeong, Kim Junok 저
...
- 5,900원
This study aims to extend the multi-group latent profile approach proposed by Morin et al. (2016) to a multilevel context and to provide an illustration with real-world data. Specifically, multilevel multiple-group latent profile analysis (MMLPA) models were fitted following seven steps to classify students according to their perception of instructional practices in science classrooms and to compare the latent profiles of two countries using Korean and Japanese data from the Programme for...
336.

Psychometric Properties of Context-Specific Measures of Students’ Interest and Value in Learning Science : A Multinational Examination

Ham EunHye, Jang Hyesuk, Shin TaeSeob 한국교육학회 교육학연구 22 Pages

한국교육학회 교육학연구 2015, 53권 4호 12 305-326 (22 pages)

Ham EunHye, Jang Hyesuk, Shin TaeSeob 저
...
- 5,100원
This study aims to examine how context-specific measures of students' interest and value differ from their context-general measures in psychometric properties across countries. Using PISA2006 Science data, differential effects of item context on assessing interest and value were illustrated in both the individual and country levels. The main findings are as follows: First, correlation between context-specific and context-general measures tended to be slightly higher in value than in interest....
337.

Relationships between dielectric properties and characteristics of impregnated and activated samples of potassium carbonate- and sodium hydroxide-modified palm kernel shell for microwave-assisted activation

Norulaina Alias, Muhammad Abbas Ahmad Zaini, Mohd Johari Kamaruddin 한국탄소학회 Carbon Letters 11 Pages

한국탄소학회 Carbon Letters 2017, Vol.24 9 62-72 (11 pages)

Norulaina Alias, Muhammad Abbas Ahmad Zaini, Mohd Johari Kamaruddin 저
...
- 4,000원
The aim of this work was to evaluate the dielectric properties of impregnated and activated palm kernel shells (PKSs) samples using two activating agents, potassium carbonate (K2CO3) and sodium hydroxide (NaOH), at three impregnation ratios. The materials were characterized by moisture content, carbon content, ash content, thermal profile and functional groups. The dielectric properties were examined using an open-ended coaxial probe method at various microwave frequencies (1?6 GHz) and...
338.

Preparation of photoresist-derived carbon micropatterns by proton ion beam lithography and pyrolysis

Hui-Gyun Nam, Jin-Mook Jung, In-Tae Hwang, Junhwa Shin, Chang-Hee Jung, Jae-Hak Choi 한국탄소학회 Carbon Letters 7 Pages

한국탄소학회 Carbon Letters 2017, Vol.24 8 55-61 (7 pages)

Hui-Gyun Nam, Jin-Mook Jung, In-Tae Hwang, Junhwa Shin, Chang-Hee Jung, Jae-Hak Choi 저
...
- 3,000원
Carbon micropatterns (CMs) were fabricated from a negative-type SU-8 photoresist by proton ion beam lithography and pyrolysis. Well-defined negative-type SU-8 micropatterns were formed by proton ion beam lithography at the optimized fluence of 1×1015 ions cm?2 and then pyrolyzed to form CMs. The crosslinked network structures formed by proton irradiation were converted to pseudo-graphitic structures by pyrolysis. The fabricated CMs showed a good electrical conductivity of 1.58×102 S cm?1 and a...
339.

Catalytic hydrogenation-assisted preparation of melt spinnable pitches from petroleum residue for making mesophase pitch based carbon fibers

Dong Hun Lee, Jisu Choi, Young Se Oh, Yoong Ahm Kim, Kap Seung Yang, Ho Jin Ryu, Yong Jung Kim 한국탄소학회 Carbon Letters 8 Pages

한국탄소학회 Carbon Letters 2017, Vol.24 4 28-35 (8 pages)

Dong Hun Lee, Jisu Choi, Young Se Oh, Yoong Ahm Kim, Kap Seung Yang, Ho Jin Ryu, Yong Jung Kim 저
...
- 3,000원
We demonstrated an effective way of preparing melt spinnable mesophase pitches via catalytic hydrogenation of petroleum residue (fluidized catalytic cracking-decant oil) and their subsequent thermal soaking. The mesophase pitches thus obtained were analyzed in terms of their viscosity, elemental composition, solubility, molecular weight, softening point and optical texture. We found that zeolite-induced catalytic hydrogenation under high hydrogen pressure contributed to a large variation in the...
340.

Lyocell-based activated carbon fibers improved the adsorption of harmful gas properties when produced via dual-simultaneous treatments

Byong Chol Bai, Ji Sun Im, Young-Seak Lee 한국탄소학회 Carbon Letters 5 Pages

한국탄소학회 Carbon Letters 2017, Vol.23 10 69-73 (5 pages)

Byong Chol Bai, Ji Sun Im, Young-Seak Lee 저
...
- 1,500원
In gas adsorption processes, activated carbon fibers (ACFs) are used for the adsorption of the harmful gases that are generated by coal or oil combustion, and they have been widely studied [1,2]. ACFs have been used for harmful gas removal because of their specific surface area, micropores, reproducibility, safety, and processing ability, which are beneficial properties for a wide range of applications [3,4].

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