Saudi Cultural Missions Theses & Dissertations
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Item Restricted The vocabulary growth of EFL learners in Saudi Arabia: The role of individual differences, digital flashcard learning and quiz frequency(the University of Birmingham, 2024-07) Albalawi, Abdullah; Gareth, Carrol; Petra, SchoofsDespite the substantial expansion in vocabulary research since the 1980s (Laufer, 2009; Meara, 2002), we still know very little about how vocabulary develops over time and what factors influence this development (Pellicer-Sánchez, 2019; Webb & Nation, 2017). The first study of the thesis aimed to address this by examining the vocabulary breadth growth of EFL learners over a school semester (12 weeks). It measured the vocabulary growth (meaning recognition and meaning recall) of 141 Saudi intermediate school (aged 15) and secondary school (aged 16) students using the Updated Vocabulary Levels Test (Webb et al., 2017). To explain the expected variation in vocabulary growth, the study examined the role of individual differences focusing on three key factors: out-of-class exposure (e.g., watching TV and playing video games), self-regulation and motivation. The main finding from this study is that vocabulary growth in an EFL context can be low and slow (Nurweni & Read, 1999; Siyanova-Chanturia & Webb, 2016; Webb & Chang, 2012), and after many years of school instruction, students might still not develop a good knowledge of even the highest frequency vocabulary (i.e., the most frequent 1000 word-families). Additionally, out-of-class exposure and motivation were significant predictors of vocabulary learning. The second study aimed to address the low knowledge of high frequency vocabulary found in the first study. Given the limited time of many EFL classes, it employed digital flashcard learning in out-of-class settings and included in-class quizzes to make sure that students genuinely engage with vocabulary learning and potentially benefit from the testing effect (Karpicke & Roediger, 2007). However, it was unclear based on the previous research how frequently quizzes should occur for optimal vocabulary learning. The second study aimed to address this gap by first examining the effect of quizzing (quiz vs. no-quiz) followed by an examination of the effect of quiz frequency (weekly, biweekly and monthly) on vocabulary learning over a school semester (eight weeks). Secondary school students (n = 76, age = 16-17) learned 120 target words using digital flashcards in naturalistic out-of- class settings using their personal devices. The second study had two main findings. First, the groups who received quizzes showed significant vocabulary improvement on the posttest while the group who did not receive quizzes did not make any significant vocabulary gains. This finding suggests that supplementing out-of-class vocabulary learning with in-class quizzes can be an effective vocabulary learning approach. It also suggests that students’ willingness to engage in out-of-class language learning (i.e., extra- curricular learning) should not be taken for granted when there is no source of external motivation (Seibert Hanson & Brown, 2019). Second, there were no significant differences in the learning gains between the three quiz frequency groups (weekly, biweekly and monthly), suggesting that more frequent quizzes do not necessarily lead to more vocabulary learning. The thesis overall makes valuable contributions to both vocabulary theory and practice. The first study enhances our understanding of the nature of vocabulary knowledge by examining vocabulary growth longitudinally while taking into account the role of individual differences. The second study offers practical recommendations to help language learners learn vocabulary more effectively. The two studies combined make important strides in advancing L2 vocabulary learning, instruction and research.8 0Item Restricted The vocabulary growth of EFL learners in Saudi Arabia: The role of individual differences, digital flashcard learning and quiz frequency(the University of Birmingham, 2024-07) Albalawi, Abdullah; Gareth, Carrol; Petra, SchoofsDespite the substantial expansion in vocabulary research since the 1980s (Laufer, 2009; Meara, 2002), we still know very little about how vocabulary develops over time and what factors influence this development (Pellicer-Sánchez, 2019; Webb & Nation, 2017). The first study of the thesis aimed to address this by examining the vocabulary breadth growth of EFL learners over a school semester (12 weeks). It measured the vocabulary growth (meaning recognition and meaning recall) of 141 Saudi intermediate school (aged 15) and secondary school (aged 16) students using the Updated Vocabulary Levels Test (Webb et al., 2017). To explain the expected variation in vocabulary growth, the study examined the role of individual differences focusing on three key factors: out-of-class exposure (e.g., watching TV and playing video games), self-regulation and motivation. The main finding from this study is that vocabulary growth in an EFL context can be low and slow (Nurweni & Read, 1999; Siyanova-Chanturia & Webb, 2016; Webb & Chang, 2012), and after many years of school instruction, students might still not develop a good knowledge of even the highest frequency vocabulary (i.e., the most frequent 1000 word-families). Additionally, out-of-class exposure and motivation were significant predictors of vocabulary learning. The second study aimed to address the low knowledge of high frequency vocabulary found in the first study. Given the limited time of many EFL classes, it employed digital flashcard learning in out-of-class settings and included in-class quizzes to make sure that students genuinely engage with vocabulary learning and potentially benefit from the testing effect (Karpicke & Roediger, 2007). However, it was unclear based on the previous research how frequently quizzes should occur for optimal vocabulary learning. The second study aimed to address this gap by first examining the effect of quizzing (quiz vs. no-quiz) followed by an examination of the effect of quiz frequency (weekly, biweekly and monthly) on vocabulary learning over a school semester (eight weeks). Secondary school students (n = 76, age = 16-17) learned 120 target words using digital flashcards in naturalistic out-of- class settings using their personal devices. The second study had two main findings. First, the groups who received quizzes showed significant vocabulary improvement on the posttest while the group who did not receive quizzes did not make any significant vocabulary gains. This finding suggests that supplementing out-of-class vocabulary learning with in-class quizzes can be an effective vocabulary learning approach. It also suggests that students’ willingness to engage in out-of-class language learning (i.e., extra- curricular learning) should not be taken for granted when there is no source of external motivation (Seibert Hanson & Brown, 2019). Second, there were no significant differences in the learning gains between the three quiz frequency groups (weekly, biweekly and monthly), suggesting that more frequent quizzes do not necessarily lead to more vocabulary learning. The thesis overall makes valuable contributions to both vocabulary theory and practice. The first study enhances our understanding of the nature of vocabulary knowledge by examining vocabulary growth longitudinally while taking into account the role of individual differences. The second study offers practical recommendations to help language learners learn vocabulary more effectively. The two studies combined make important strides in advancing L2 vocabulary learning, instruction and research.20 0