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Effects of Two Post-Reading Tasks on English Learners’ Use of Vocabulary in Writing
( Eunyoung Kang ) 글로벌영어교육학회(구 호남영어교육학회) 2019 Studies in English education Vol.24 No.2
The present study investigated the relative effectiveness of two types of post-reading tasks for improving English learners’ vocabulary use in their writing. The two post-reading tasks examined were (a) narrow reading (reading a series of relevant texts to build topic-related vocabulary) and (b) sentence production (creating a sentence with a set of topic-related vocabulary). Sixty high school students were assigned to two experimental groups (narrow reading, sentence production) and a control group. After completing pre-writing and pre-target vocabulary tests, the experimental groups read a text and then completed one of the two post-reading tasks designed to draw their attention to target words. The control group only completed the tests. Upon completion of the tasks, they took the same writing and vocabulary tests. Their essays were analyzed in terms of vocabulary use via the lexical frequency profile (LFP). Results showed that the narrow reading and sentence production groups included higher-level target vocabulary in their compositions than the control group. In addition, the LFP of the narrow reading group significantly improved. It was found that the repeated encounters with thematically related vocabulary items through narrow reading appeared to be beneficial in improving learners’ use of higher-level vocabulary in writing.
Vocabulary Learning via Dual-Subtitled Viewing: The Effect of Different Task Types
EunYoung Kang 한국영어학회 2023 영어학 Vol.23 No.-
This study examined the effects of viewing dual-subtitled videos under different task conditions. The participants included 60 university students learning English from three classes. They were equally assigned to three different vocabulary-learning conditions. All participants first viewed dual-subtitled videos, then two experimental groups completed one of the learning tasks (either a sentence writing task or a fill-in-the-blank task). A comparison group did not complete any learning tasks. Participants’ immediate and delayed vocabulary gains of target words under three different task conditions were compared. The results revealed the highest level of vocabulary gains among learners engaged in sentence-writing tasks with target words. Students were only able to learn some of the target vocabulary by viewing dual-subtitled videos without engaging in any vocabulary learning task (the comparison group), but vocabulary gains were relatively small compared to those who completed a blank-filling task additionally. The findings have theoretical and pedagogical implications for vocabulary learning within the context of video-based learning.
Kang, Jong Yeon,Kim, Mikyung,Kang, Yuna,Lee, Wonmok,Ha, Tae Kyung,Seo, Ji Hae,Son, Young Gil,Ha, Eunyoung Elsevier 2017 Biochemical and biophysical research communication Vol.493 No.1
<P><B>Abstract</B></P> <P>Thyroid hormones (THs) as a therapeutic intervention to treat obesity has been tried but the effect of THs on body weight and the mechanistic details of which are far from clear. This study was designed to determine and elucidate the mechanistic details of metabolic action of THs in high-fat diet (HFD) fed Sprague Dawley (SD) rats. Rats were made surgically hypothyroid (thyroidectomy, Thx). Body weights and food and water intake profoundly decreased in HFD fed thyroidectomized group (HN Thx). Results showed that delayed insulin response, increased total cholesterol, high-density lipoprotein, and low-density lipoprotein in HN Thx. Unexpectedly, however, Thx reduced serum and hepatic triglyceride concentrations. Further studies revealed that Thx dramatically increased circulating GLP-1 as well as increased expressions of GLP-1 in small intestine. Diminished hepatic expressions of lipogenic genes, were observed in HN Thx group. Beta-catenin and glutamine synthetase, a known target of β-catenin, were up-regulated in the liver of HN Thx group. The expressions of gluconeogenic genes G6P and PCK were reduced in the liver of HN Thx group. The results may suggest that surgery-induced hypothyroidism increases GLP-1, the actions of which may in part be responsible for the reduction in water intake, appetite and hepatic steatosis.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Surgically-induced hypothyroidism in rats decreased food and water intakes. </LI> <LI> Surgically-induced hypothyroidism dramatically lowered triglyceride while increased total cholesterol, HDL and LDL. </LI> <LI> Surgically-induced hypothyroidism increased glucagon-like peptide 1 possibly through β-catenin signaling. </LI> </UL> </P>
Kang, Eunyoung,Seong, Moon-Woo,Park, Sue K,Lee, Jong Won,Lee, Jihyoun,Kim, Lee Su,Lee, Jeong Eon,Kim, Sung Yong,Jeong, Joon,Han, Sang Ah,Kim, Sung-Won M. Nijhoff ; Kluwer Academic Publishers 2015 Breast cancer research and treatment Vol.151 No.1
<P>The Korean Hereditary Breast Cancer (KOHBRA) study was established to evaluate the prevalence and spectrum of BRCA1/2 mutations in Korean breast cancer patients at risk for hereditary breast and ovarian cancer. A total of 2953 subjects (2403 index patients and 550 family members of affected carriers) from 36 centers participated in this study between May 2007 and December 2013. All participants received genetic counseling and BRCA genetic testing. In total, 378 mutation carriers among 2403 index patients were identified. The prevalence of BRCA mutations in specific subgroups was as follows: 22.3?% (274/1228) for breast cancer patients with a family history of breast/ovarian cancers, 8.8?% (39/441) for patients with early-onset (<35?years) breast cancer without a family history, 16.3?% (34/209) for patients with bilateral breast cancer, 4.8?% (1/21) for male patients with breast cancer, and 37.5?% (3/8) for patients with both breast and ovarian cancer. From an analysis of the mutation spectrum, 63 BRCA1 and 90 BRCA2 different mutations, including 44 novel mutations, were identified. The c.7480 (p.Arg2494Ter) mutation in BRCA2 (10.1?%) was the most commonly identified in this cohort. The KOHBRA study is the largest cohort to identify BRCA mutation carriers in Asia. The results suggest that the prevalence of BRCA mutations in familial breast cancer patients is similar to that among Western cohorts. However, some single risk factors without family histories (early-onset breast cancer, male breast cancer, or multiple organ cancers) may limit the utility of BRCA gene testing in the Korean population.</P>
Accuracy of BRCA1/2 mutation prediction models in Korean breast cancer patients
Kang, Eunyoung,Park, Sue K.,Yang, Jae Jeong,Park, Boyoung,Lee, Min Hyuk,Lee, Jong Won,Suh, Young Jin,Lee, Jeong Eon,Kim, Hyun-Ah,Oh, Se Jeong,Kim, Sung-Won Springer-Verlag 2012 Breast cancer research and treatment Vol.134 No.3
Effects of Peer Feedback on L2 Students’ Writing
EunYoung Kang 한국영어교과교육학회 2019 영어교과교육 Vol.18 No.2
This study explored the effect of peer feedback practices over a 12-week semester on the development of Korean EFL learners’ writing abilities at both the global level (i.e., organization and content) and the local level (i.e., grammar, vocabulary, and mechanics). High school students from two intact classes were assigned to either an experimental (n=24) or a comparison (n=24) condition. Both groups took pre- and post-writing tests. The experimental group took part in peer-review training and peer reviews, whereas the comparison group engaged in self correction and regular English instruction. In the post-test, the peer-review group achieved a higher mean total writing score than the comparison did. A multivariate analysis of variance revealed that the peer review group significantly outperformed the comparison group in terms of organization, content, and grammar. Participants who display more positive attitudes toward peer reviews benefited more than those who did not hold a favorable view toward feedback Pedagogical implications for peer reviews in EFL classes are discussed.