This study investigates the role of motivation and learner variables in bilingual vocabulary deve... more This study investigates the role of motivation and learner variables in bilingual vocabulary development among first language (L1) Japanese students attending hoshuukoo (i.e., supplementary academic schools for Japanese‐speaking children) in the United States. One hundred sixteen high school students ages 15–18 from eight hoshuukoo completed Japanese and English vocabulary tests and a student characteristics questionnaire. A principal component analysis identified six motivational factors: preference for Japan, Japanese heritage, no choice, career orientation, American identity, and positive perceptions. The students highly rated career orientation, positive perceptions, and Japanese heritage as reasons to learn both languages. Regression analysis revealed negative effects of American identity and career orientation on L1 Japanese vocabulary knowledge and a positive impact of positive perceptions on second language (L2) English proficiency. The students' college plans were highl...
This study examines bilingual vocabulary knowledge in relation to arrival age among first languag... more This study examines bilingual vocabulary knowledge in relation to arrival age among first language (L1) Japanese students attending hoshuukoo (i.e., supplementary academic schools for Japanese‐speaking children) in the United States. It also examines the relationship between L1 Japanese and English as a second language (L2), as motivated by Cummins's (1979, 1991) notion of linguistic interdependence. One hundred and twenty‐two high school students ages 15–18 from eight hoshuukoo took Japanese and English vocabulary tests designed by Ono (1989). Students who came to the United States by age 9 or younger were three grades behind in L1 Japanese and were either ahead of or at their U.S. grade level in English. In contrast, those who arrived at age 10 or older were just one grade behind in Japanese and were two to five years behind in English. High vocabulary knowledge in one language was associated with low knowledge in the other, and the negative correlation between L1 and L2 becam...
This study investigates the role of motivation and learner variables in bilingual vocabulary deve... more This study investigates the role of motivation and learner variables in bilingual vocabulary development among first language (L1) Japanese students attending hoshuukoo (i.e., supplementary academic schools for Japanese-speaking children) in the United States. One hundred sixteen high school students ages 15–18 from eight hoshuukoo completed Japanese and English vocabulary tests and a student characteristics questionnaire. A principal component analysis identified six motivational factors: preference for Japan, Japanese heritage, no choice, career orientation, American identity, and positive perceptions. The students highly rated career orientation, positive perceptions , and Japanese heritage as reasons to learn both languages. Regression analysis revealed negative effects of American identity and career orientation on L1 Japanese vocabulary knowledge and a positive impact of positive perceptions on second language (L2) English proficiency. The students' college plans were highly related to the motiva-tional factor of preference for Japan. In sum, bilingual competence can be related to motivational factors, and individual differences in bilingual proficiency among young learners of Japanese as a heritage language can be, at least partially, accounted for by socio-psychological factors.
This study investigates the role of motivation and learner variables in bilingual vocabulary deve... more This study investigates the role of motivation and learner variables in bilingual vocabulary development among first language (L1) Japanese students attending hoshuukoo (i.e., supplementary academic schools for Japanese‐speaking children) in the United States. One hundred sixteen high school students ages 15–18 from eight hoshuukoo completed Japanese and English vocabulary tests and a student characteristics questionnaire. A principal component analysis identified six motivational factors: preference for Japan, Japanese heritage, no choice, career orientation, American identity, and positive perceptions. The students highly rated career orientation, positive perceptions, and Japanese heritage as reasons to learn both languages. Regression analysis revealed negative effects of American identity and career orientation on L1 Japanese vocabulary knowledge and a positive impact of positive perceptions on second language (L2) English proficiency. The students' college plans were highl...
This study examines bilingual vocabulary knowledge in relation to arrival age among first languag... more This study examines bilingual vocabulary knowledge in relation to arrival age among first language (L1) Japanese students attending hoshuukoo (i.e., supplementary academic schools for Japanese‐speaking children) in the United States. It also examines the relationship between L1 Japanese and English as a second language (L2), as motivated by Cummins's (1979, 1991) notion of linguistic interdependence. One hundred and twenty‐two high school students ages 15–18 from eight hoshuukoo took Japanese and English vocabulary tests designed by Ono (1989). Students who came to the United States by age 9 or younger were three grades behind in L1 Japanese and were either ahead of or at their U.S. grade level in English. In contrast, those who arrived at age 10 or older were just one grade behind in Japanese and were two to five years behind in English. High vocabulary knowledge in one language was associated with low knowledge in the other, and the negative correlation between L1 and L2 becam...
This study investigates the role of motivation and learner variables in bilingual vocabulary deve... more This study investigates the role of motivation and learner variables in bilingual vocabulary development among first language (L1) Japanese students attending hoshuukoo (i.e., supplementary academic schools for Japanese-speaking children) in the United States. One hundred sixteen high school students ages 15–18 from eight hoshuukoo completed Japanese and English vocabulary tests and a student characteristics questionnaire. A principal component analysis identified six motivational factors: preference for Japan, Japanese heritage, no choice, career orientation, American identity, and positive perceptions. The students highly rated career orientation, positive perceptions , and Japanese heritage as reasons to learn both languages. Regression analysis revealed negative effects of American identity and career orientation on L1 Japanese vocabulary knowledge and a positive impact of positive perceptions on second language (L2) English proficiency. The students' college plans were highly related to the motiva-tional factor of preference for Japan. In sum, bilingual competence can be related to motivational factors, and individual differences in bilingual proficiency among young learners of Japanese as a heritage language can be, at least partially, accounted for by socio-psychological factors.
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