Frontmatter -- Preface -- Introduction to the Handbooks of Japanese Language and Linguistics -- Table of contents -- Contributors -- Introduction: Japanese applied linguistics and this volume -- I. First language (L1) acquisition/development -- 1. The roles of cognitive bases and caregivers' speech in early language development -- 2. Literacy acquisition in Japanese children -- II. Second language (L2) acquisition/development and bilingualism/multilingualism -- 3. Age factors in language acquisition -- 4. Cross-lingual transfer from L1 to L2 among school-age children -- III. The teaching and learning of foreign languages -- 5. Errors and learning strategies by learners of Japanese as a second language -- 6. Adult L2 learners' acquisition of style shift: The masu and plain forms -- 7 Japanese language proficiency assessment with the Simple Performance-Oriented Test (SPOT) as a primary focus -- 8. The role of instruction in acquiring Japanese as a second language -- 9. The influence of topic choice on narrative proficiency by learners of Japanese as a foreign language -- IV. Corpus linguistics -- 10. CHILDES for Japanese: Corpora, programs, perspectives -- 11. KY corpus -- 12. Corpus-based second language acquisition research -- V. Clinical linguistics -- 13. Assessment of language development in children with hearing impairment and language disorders -- 14. Revisiting autistic language: "Literalness" and "non-literalness" in Japanese children with autism -- VI. Translation -- 15. Towards a robust, genre-based translation model and its application -- 16. Translation: A theoretical perspective -- VII. Sign languages -- 17. Japanese Sign Language: An introduction -- 18. An information-based approach to the syllable formation of Japanese Sign Language -- 19. Syntax of Japanese Sign Language -- 20. Sign language development and language input -- Subject index