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At an international school in Taiwan, English learners have struggled to meet the U.S. national average in vocabulary on standardized testing instruments. This problem has become more significant since 2009. The purpose of this research was to conduct a case study on successful vocabulary teachers to determine their perceptions of effective teaching. Knowles' andragogy, Brookfield's self-directed, experiential learning, and Vygotsky's social constructivist framework provided the conceptual framework for this study. The research questions focused on teachers' perceptions of why they were successful in teaching vocabulary in English. The study site had access to quantitative data regarding previous standardized testing results; however, there was little information about what was causing these teachers to be successful. The primary data collection method was individual interviews with 5 teachers whose success in teaching vocabulary in English was determined by previous students' standardized testing results and the administrator's recommendation. The teachers' perceptions were analyzed using a structural coding process to derive key words, categories, and themes. Findings revealed the needs for increased scaffolding for teachers and students, a purposeful and supportive learning environment, and meaningful context and comprehensible content. This study also included developing a professional learning workshop to enhance the knowledge of all teachers regarding vocabulary instruction. Enhanced knowledge could result in teachers implementing best practices to enable all students, especially English learners, to improve their vocabulary development, which over time may lead to proficiency and mastery in academics and empower students to succeed academically.

本研究旨在探討字彙圖教學對台灣國中生英文單字學習之成效，以及此教學方式對學生英文單字學習態度的影響。研究對象為六十三位來自中台灣某國中兩班三年級的學生，隨機指派一班為實驗組，而另一班為對照組。實驗組實施字彙圖教學，對照組實施傳統單字教學，每週上課一次，為期八週。兩組均在教學前後接受字彙測驗並施以單字學習態度問卷，實驗組另以問卷詢問對字彙圖教學的看法。研究結果顯示字彙圖教學比傳統單字教學更能顯著提升學生的單字學習，實驗組在字形、字義及用法上的表現均顯著優於對照組。雖然兩組在教學後對單字學習的態度仍未有顯著差異，實驗組在認知方面的學習態度卻在教學後有顯著改變，此外，實驗組普遍認為字彙圖教學有助於記憶新單字，而且表達出繼續使用的意願。本研究結果建議可採用字彙圖做為幫助國中生學習英文單字的教學工具。 / The present study employed an experimental/control group, pretest-posttest design to investigate the effects of vocabulary instruction using graphic organizers on Taiwanese junior high school students’ vocabulary learning. The subjects were 63 ninth graders from two classes in a public junior high school in central Taiwan. One was randomly assigned as the experimental group (N=32), and the other as the control group (N=31). The experimental group received graphic organizer instruction, while the control group received traditional vocabulary instruction once a week. Vocabulary pre-and post-tests and a vocabulary learning attitude questionnaire were administered before and after the 8-week treatment to examine students’ knowledge of the target words and their attitudes toward vocabulary learning. In addition, their perceptions of the graphic organizer instruction were also explored. The results revealed that graphic organizer instruction could significantly improve students’ vocabulary learning more than traditional vocabulary instruction, and it was effective in improving learners’ knowledge of word form, meaning, and use. Although students in the experimental group did not develop significantly more positive attitudes toward vocabulary learning than their counterparts in the control group, they significantly changed their cognitive attitudes after the treatment. Besides, they generally perceived that graphic organizer instruction could effectively help them remember English words and they were willing to use the word map in their future learning. The findings of this study suggest that the graphic organizer can be used as an alternative instructional tool to facilitate junior high school students’ vocabulary learning.

xv, 110 p. : ill. A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number. / In this dissertation study, the efficacy of Vocabulary Enhanced Systematic and Explicit Teaching Routines (VE SETR) as a vocabulary intervention was examined for first grade Spanish-speaking English Language Learners (ELLs). The quasi-experimental study included two groups of elementary students in two schools that had an "early exit" Spanish language arts programs, meaning students are instructed in their native languages for the purposes of early reading instruction for 2-3 years before they are transitioned to reading in English. The study examined the efficacy of a 15 minute daily vocabulary intervention using VE SETRs to enhance the vocabulary instruction in a first grade Spanish reading program. The VE SETR treatment cohort of students received 75 minutes of core reading instruction using the Macmillan McGraw-Hill reading curriculum, Tesoros, in conjunction with systematic and explicit teaching routines (SETR) that addressed all areas of reading instruction (e.g., phonics, phonemic awareness, fluency, vocabulary and comprehension) plus 15 minutes of small group VE SETR instruction. The SETR comparison group received 90 minutes of the general core-reading curriculum using Tesoros and the SETRs only, without the 15 minutes of vocabulary enhanced instruction. The study examined whether the VE SETR intervention improved vocabulary development for students in the VE SETR treatment cohort. Assessment measures included the Bilingual Verbal Ability Test (BVAT), the Test de Vocabulario en Imagenes Peabody PVT-III (TVIP), Indicadores Dinámicos del Éxito en la Lectura (IDEL) oral reading fluency measure and the Depth of Knowledge (DOK) measure. Research findings indicated a statistically significant difference in favor of VE SETR treatment on students' ability to define and use target vocabulary words as measured by the Depth of Knowledge assessment. However, the VE SETR treatment had no statistically significant effect on the treatment students' oral reading fluency and on their receptive vocabulary as measured by the TVIP, or their bilingual verbal ability as measured by the BVAT. Overall, the VE SETR treatment had a positive effect for the VE SETR treatment group on one of the four measures. / Committee in charge: Edward Kameenui, Chairperson, Special Education and Clinical Sciences; Gerald Tindal, Member, Educational Leadership; Paul Yovanoff, Member, Educational Leadership; Scott Baker, Member, Not from U of 0; Robert Davis, Outside Member, Romance Languages

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This study investigates the Involvement Load Hypothesis proposed by Laufer and Hulstijn (2001). The involvement load hypothesis posits that vocabulary learning is determined by involvement load or mental effort. Involvement load has three components, need, search, and evaluation and each component is scored for three levels: index 2 for the strongest, index 1 for a moderate degree, and index 0 for none. Each participant learned six words with graphic organizers at the high involvement load (need index 1, search index 1, evaluation index 2, total index 4) and six at the low involvement load (need index 1, search index 1, and evaluation index 0, total index 2). Immediately and one week after completing the graphic organizer task, vocabulary knowledge was measured using three vocabulary tests that tested different levels of vocabulary knowledge: a translation test, a difficult multiple-choice test, and an easy multiple-choice test. Quantitative analyses of data from 291 university and college students in Japan were conducted, and audio-recordings from five pairs were analyzed to examine learning processes. Repeated measures MANOVA and ANOVAs revealed significant differences between the conditions of the two involvement loads in the translation test and the easy multiple-choice test, but not in the difficult multiple-choice test. The effects of Task and Time were statistically significant, but there was no interaction. There were significant differences between the immediate test and delayed test observed in the translation test and the easy multiple-choice test, but not with the difficult multiple-choice test. The current study supports the involvement load hypothesis, but caution is advised. Even though the high involvement load graphic organizers yielded more vocabulary retention than those with less involvement load in two out of the three vocabulary tests, the differences in mean scores were small and extensive differences were not observed in the participants' discussions. Additional statistical analysis indicated that the three vocabulary tests measured three levels of vocabulary knowledge. Determining the effectiveness of graphic organizers for vocabulary learning was only mildly successful as forcing greater involvement load proved to be challenging. / CITE/Language Arts