{"id":1303,"date":"2021-03-22T09:00:00","date_gmt":"2021-03-22T00:00:00","guid":{"rendered":"https:\/\/kotoboo.org\/?p=1303"},"modified":"2023-02-04T16:50:56","modified_gmt":"2023-02-04T07:50:56","slug":"how-does-caregiver-codeswitching-or-mixing-languages-affect-a-childs-language-development","status":"publish","type":"post","link":"https:\/\/kotoboo.org\/index.php\/ja\/2021\/03\/22\/how-does-caregiver-codeswitching-or-mixing-languages-affect-a-childs-language-development\/","title":{"rendered":"\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0 (\u8a00\u8a9e\u3092\u6df7\u305c\u308b\u3053\u3068) \u306f\u3053\u3068\u3070\u306e\u767a\u9054\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"896\" height=\"1024\" src=\"https:\/\/kotoboo.org\/wp-content\/uploads\/2021\/04\/Comic30-Code-switching-effects_color-1-896x1024.png\" alt=\"\" class=\"wp-image-1307\" srcset=\"https:\/\/kotoboo.org\/wp-content\/uploads\/2021\/04\/Comic30-Code-switching-effects_color-1-896x1024.png 896w, https:\/\/kotoboo.org\/wp-content\/uploads\/2021\/04\/Comic30-Code-switching-effects_color-1-262x300.png 262w, https:\/\/kotoboo.org\/wp-content\/uploads\/2021\/04\/Comic30-Code-switching-effects_color-1-768x878.png 768w, https:\/\/kotoboo.org\/wp-content\/uploads\/2021\/04\/Comic30-Code-switching-effects_color-1-1344x1536.png 1344w, https:\/\/kotoboo.org\/wp-content\/uploads\/2021\/04\/Comic30-Code-switching-effects_color-1-1792x2048.png 1792w\" sizes=\"(max-width: 896px) 100vw, 896px\" \/><figcaption><strong>Can you pass me the \u7b77\u5b50?<\/strong>  \u203b(\u82f1\u8a9e\u3067) \u7bb8 (\uff1d\u7b77\u5b50 \u203b\u4e2d\u56fd\u8a9e) \u3092\u53d6\u3063\u3066\u304f\u308c\u306a\u3044\uff1f<br><strong>\u600e\u4e48\u8fd9\u4e48cute!!<\/strong>  \u203b(\u4e2d\u56fd\u8a9e\u3067) \u306a\u3093\u3066\u304b\u308f\u3044\u3044 (=cute \u203b\u82f1\u8a9e) \u304a\u3082\u3061\u3083\u306a\u3093\u3067\u3057\u3087\u3046\uff01<br><strong>This pudding \u8d85\u597d\u5403 <\/strong> \u203b (\u4e2d\u56fd\u8a9e\u3067) \u3053\u306e\u30d7\u30c7\u30a3\u30f3\u30b0 (\uff1dThis pudding \u203b\u82f1\u8a9e) \u306f\u3068\u3063\u3066\u3082\u304a\u3044\u3057\u3044\u306d\uff01<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"has-background has-medium-font-size\" style=\"background-color:#adea9d\">\u4e00\u898b\u3059\u308b\u3068\u3001<strong>\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0<\/strong> (\u300c<a rel=\"noreferrer noopener\" href=\"https:\/\/kotoboo.org\/index.php\/ja\/2021\/03\/15\/is-it-ok-to-mix-languages-when-i-speak-to-a-child\/\" target=\"_blank\">\u5b50\u3069\u3082\u306b\u8a71\u3059\u6642\u3001\u7570\u306a\u308b\u8a00\u8a9e\u3092\u6df7\u305c\u3066\u8a71\u3057\u3066\u3082\u826f\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/a>\u300d\u3092\u3054\u89a7\u304f\u3060\u3055\u3044) \u306f\u8a00\u8a9e\u7fd2\u5f97\u3092\u96e3\u3057\u304f\u3057\u3066\u3057\u307e\u3046\u65b9\u6cd5\u306a\u306e\u3067\u306f\uff1f\u3068\u601d\u308f\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305d\u308c\u305e\u308c\u306e\u8a00\u8a9e\u3092\u5225\u3005\u306b\u304d\u3061\u3093\u3068\u5b66\u3076\u306e\u3067\u306f\u306a\u304f\u3001\u5b50\u3069\u3082\u306f\u7d61\u307f\u5408\u3063\u305f2\u3064\u306e\u8a00\u8a9e\u3092\u7406\u89e3\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u304b\u3089\u3067\u3059\u3002\u3051\u308c\u3069\u3082\u3001\u3053\u308c\u306f\u5358\u306a\u308b\u5370\u8c61\u8ad6\u306b\u904e\u304e\u307e\u305b\u3093\u3002<br><br>\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306f\u3001\u5b50\u3069\u3082\u306b\u3068\u3063\u3066\u3001\u3082\u3046\u3072\u3068\u3064\u306e\u8a00\u8a9e\u3092\u4f7f\u3046\u529b\u3092\u9ad8\u3081\u308b\u3053\u3068\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u990a\u80b2\u8005\u306f\u3001\u5b50\u3069\u3082\u306b\u3068\u3063\u3066\u3042\u307e\u308a\u99b4\u67d3\u307f\u304c\u306a\u3044\u65b9\u306e\u8a00\u8a9e\u306e\u6587\u3092\u3001\u3059\u3050\u306b\u3082\u3046\u4e00\u3064\u306e\u8a00\u8a9e\u306b\u7ffb\u8a33\u3057\u3066\u8a71\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059 (\u4f8b\uff1a\u201c<em>Trae la pelota<\/em>. Bring the ball\u201d \u203b\u4e00\u6587\u76ee\u306f\u30b9\u30da\u30a4\u30f3\u8a9e\u3067\uff0c\u4e8c\u6587\u76ee\u306f\u82f1\u8a9e\u3002\u3069\u3061\u3089\u3082\u300c\u30dc\u30fc\u30eb\u3092\u6301\u3063\u3066\u304d\u3066\u300d\u306e\u610f)\u3002\u307e\u305f\u3001\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306f\u3001\u5b50\u3069\u3082\u304c\u3082\u3046\u3072\u3068\u3064\u306e\u8a00\u8a9e\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306b\u3082\u5f79\u7acb\u3061\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u990a\u80b2\u8005\u304c\u3001\u5b50\u3069\u3082\u306b\u3068\u3063\u3066\u99b4\u67d3\u307f\u304c\u3042\u308b\u65b9\u306e\u8a00\u8a9e\u304b\u3089\u5c11\u3057\u3060\u3051\u5358\u8a9e\u3060\u3051\u3092\u501f\u308a\u3066\u304d\u3066\u3001\u6b8b\u308a\u306f\u3082\u3046\u4e00\u65b9\u306e\u8a00\u8a9e\u3092\u4f7f\u3063\u3066\u8a71\u3057\u304b\u3051\u308b\u3068\u3044\u3063\u305f\u4f8b\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002 (\u4f8b\uff1a\u201cBring your <em>gato<\/em> <em>plush<\/em> toy\u201d \u203b\u300c\u30cd\u30b3\u306e\u306c\u3044\u3050\u308b\u307f\u306e\u304a\u3082\u3061\u3083\u3092\u6301\u3063\u3066\u304d\u3066\u300d\u306e\u610f\u3002\u82f1\u8a9e\u6587\u306e\u306a\u304b\u3067\u201cgato plush\u201d\uff1d\u300c\u30cd\u30b3\u306e\u306c\u3044\u3050\u308b\u307f\u300d\u306e\u90e8\u5206\u3060\u3051\u304c\u30b9\u30da\u30a4\u30f3\u8a9e)\u3002\u7d14\u7c8b\u306a\u8a00\u8a9e\u529b\u306e\u307f\u306a\u3089\u305a\u3001\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3084\u5bb6\u65cf\u306e\u306a\u304b\u3067\u4ed6\u8005\u3068\u540c\u3058\u3088\u3046\u306b\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u5b50\u3069\u3082\u306f\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u304a\u3051\u308b\u898f\u7bc4\u3084\u3001\u4ed6\u8005\u304c\u3069\u306e\u3088\u3046\u306b\u8a71\u3059\u306e\u304b\u3068\u3044\u3063\u305f\u3053\u3068\u3092\u5b66\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u30b9\u30ad\u30eb\u306f\u3001\u5c06\u6765\u306e\u793e\u4f1a\u7684\u4ea4\u6d41\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u306a\u3082\u306e\u3060\u3068\u3044\u3048\u307e\u3059\u3002<br><br>\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u3059\u308b\u304b\u3057\u306a\u3044\u304b\u306b\u3088\u3063\u3066\u3001\u8a00\u8a9e\u767a\u9054\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u304c\u3042\u308b\u304b\u3092\u76f4\u63a5\u6e2c\u308b\u3053\u3068\u306f\u5bb9\u6613\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3068\u306f\u3044\u3048\u3001\u79d1\u5b66\u8005\u304c\u89b3\u5bdf\u3057\u305f\u3044\u304f\u3064\u304b\u306e\u52b9\u679c\u306e\u306a\u304b\u306b\u306f\u3001\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306f\u767a\u9054\u306b\u826f\u3044\u5f71\u97ff\u3092\u3082\u305f\u3089\u3057\u3046\u308b\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u5b50\u3069\u3082\u306b\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u4f7f\u3063\u3066\u8a71\u3057\u304b\u3051\u308b\u3053\u3068\u306f\u3001\u5b50\u3069\u3082\u306e\u5411\u793e\u4f1a\u7684\u306a\u884c\u52d5\u3092\u4fc3\u3057\u3001\u591a\u8a00\u8a9e\u74b0\u5883\u306b\u304a\u3051\u308b\u4ed6\u8005\u3068\u306e\u3084\u308a\u3068\u308a\u3092\u5bb9\u6613\u306b\u3059\u308b\u3088\u3046\u3067\u3059\u3002<br><br>\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u4f7f\u3046\u5b50\u3069\u3082\u306f\u6df7\u4e71\u3057\u3066\u3001\u8907\u6570\u306e\u8a00\u8a9e\u3092\u6df7\u540c\u3057\u3066\u4f7f\u3063\u3066\u3057\u307e\u3046\u306e\u3060\u3001\u3068\u3044\u3046\u8003\u3048\u306f\u3042\u308b\u7a2e\u306e\u300c\u795e\u8a71\u300d\u3060\u3068\u3044\u3048\u308b\u3067\u3057\u3087\u3046\u3002\u5b9f\u969b\u306b\u306f\u3001\u5b50\u3069\u3082\u306f\u990a\u80b2\u8005\u3068\u540c\u3058\u304f\u3089\u3044\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u4f7f\u3046\u306e\u3067\u3059\uff01\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306f\u3001\u591a\u8a00\u8a9e\u74b0\u5883\u306b\u3042\u308b\u5bb6\u5ead\u3084\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u304a\u3044\u3066\u306f\u3088\u304f\u898b\u3089\u308c\u308b\u73fe\u8c61\u3060\u3068\u3044\u3048\u307e\u3059\u3002<br><br>\u3082\u3057\u3042\u306a\u305f\u304c\u666e\u6bb5\u304b\u3089\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u4f7f\u3063\u3066\u3044\u308b\u306a\u3089\u3001\u7570\u306a\u308b\u65b9\u6cd5\u3067\u8a71\u3059\u3088\u3046\u306b\u3057\u306a\u3051\u308c\u3070\uff01\u3068\u7121\u7406\u3092\u3059\u308b\u5fc5\u8981\u306f\u307e\u3063\u305f\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u30ea\u30e9\u30c3\u30af\u30b9\u3057\u3066\u3001\u4f1a\u8a71\u306b\u5922\u4e2d\u306b\u306a\u3063\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n\n<p>\u79d1\u5b66\u7684\u306a\u53c2\u8003\u6587\u732e:<\/p>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/doi.org\/10.1017\/S1366728912000120\" target=\"_blank\">Byers-Heinlein, K. (2013). Parental language mixing: Its measurement and the relation of mixed input to young bilingual children\u2019s vocabulary size. <em>Bilingualism: Language and Cognition<\/em>, <em>16<\/em>(1), 32-48.<\/a><\/p>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/doi.org\/10.31234\/osf.io\/298cz\" target=\"_blank\">Byers-Heinlein, K., Jardak, A., Fourakis, E., &amp; Lew-Williams, C. (2020). Effects of language mixing on bilingual children\u2019s word learning. <em>PsyArXiv.<\/em><\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/doi.org\/10.1111\/1467-8721.00140\" target=\"_blank\" rel=\"noreferrer noopener\">Heredia, R. R., &amp; Altarriba, J. (2001). Bilingual Language Mixing: Why Do Bilinguals CodeSwitch?. <em>Current Directions in Psychological Science<\/em>, <em>10<\/em>(5), 164-168.<\/a> <\/p>\n\n\n\n<p><a href=\"https:\/\/doi.org\/10.31234\/osf.io\/rk2ah\" target=\"_blank\" rel=\"noreferrer noopener\">Kremin, L. V., Alves, J., Orena, A., Polka, L., &amp; Byers-Heinlein, K. (2020). Code-switching in parents\u2019 everyday speech to bilingual infants. <em>PsyArXiv<\/em>.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u898b\u3059\u308b\u3068\u3001\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0 (\u300c\u5b50\u3069\u3082\u306b\u8a71\u3059\u6642\u3001\u7570\u306a\u308b\u8a00\u8a9e\u3092\u6df7\u305c\u3066\u8a71\u3057\u3066\u3082\u826f\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u300d\u3092\u3054\u89a7\u304f\u3060\u3055\u3044) \u306f\u8a00\u8a9e\u7fd2\u5f97\u3092\u96e3\u3057\u304f\u3057\u3066\u3057\u307e\u3046\u65b9\u6cd5\u306a\u306e\u3067\u306f\uff1f\u3068\u601d\u308f\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305d\u308c\u305e\u308c\u306e\u8a00\u8a9e\u3092\u5225\u3005\u306b\u304d\u3061\u3093\u3068\u5b66\u3076\u306e\u3067\u306f\u306a\u304f\u3001\u5b50\u3069\u3082\u306f\u7d61\u307f\u5408\u3063\u305f2\u3064\u306e\u8a00\u8a9e\u3092\u7406\u89e3\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u304b\u3089\u3067\u3059\u3002\u3051\u308c\u3069\u3082\u3001\u3053\u308c\u306f\u5358\u306a\u308b\u5370\u8c61\u8ad6\u306b\u904e\u304e\u307e\u305b\u3093\u3002 \u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306f\u3001\u5b50\u3069\u3082\u306b\u3068\u3063\u3066\u3001\u3082\u3046\u3072\u3068\u3064\u306e\u8a00\u8a9e\u3092\u4f7f\u3046\u529b\u3092\u9ad8\u3081\u308b\u3053\u3068\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u990a\u80b2\u8005\u306f\u3001\u5b50\u3069\u3082\u306b\u3068\u3063\u3066\u3042\u307e\u308a\u99b4\u67d3\u307f\u304c\u306a\u3044\u65b9\u306e\u8a00\u8a9e\u306e\u6587\u3092\u3001\u3059\u3050\u306b\u3082\u3046\u4e00\u3064\u306e\u8a00\u8a9e\u306b\u7ffb\u8a33\u3057\u3066\u8a71\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059 (\u4f8b\uff1a\u201cTrae la pelota. Bring the ball\u201d \u203b\u4e00\u6587\u76ee\u306f\u30b9\u30da\u30a4\u30f3\u8a9e\u3067\uff0c\u4e8c\u6587\u76ee\u306f\u82f1\u8a9e\u3002\u3069\u3061\u3089\u3082\u300c\u30dc\u30fc\u30eb\u3092\u6301\u3063\u3066\u304d\u3066\u300d\u306e\u610f)\u3002\u307e\u305f\u3001\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306f\u3001\u5b50\u3069\u3082\u304c\u3082\u3046\u3072\u3068\u3064\u306e\u8a00\u8a9e\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306b\u3082\u5f79\u7acb\u3061\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u990a\u80b2\u8005\u304c\u3001\u5b50\u3069\u3082\u306b\u3068\u3063\u3066\u99b4\u67d3\u307f\u304c\u3042\u308b\u65b9\u306e\u8a00\u8a9e\u304b\u3089\u5c11\u3057\u3060\u3051\u5358\u8a9e\u3060\u3051\u3092\u501f\u308a\u3066\u304d\u3066\u3001\u6b8b\u308a\u306f\u3082\u3046\u4e00\u65b9\u306e\u8a00\u8a9e\u3092\u4f7f\u3063\u3066\u8a71\u3057\u304b\u3051\u308b\u3068\u3044\u3063\u305f\u4f8b\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002 (\u4f8b\uff1a\u201cBring your gato plush toy\u201d \u203b\u300c\u30cd\u30b3\u306e\u306c\u3044\u3050\u308b\u307f\u306e\u304a\u3082\u3061\u3083\u3092\u6301\u3063\u3066\u304d\u3066\u300d\u306e\u610f\u3002\u82f1\u8a9e\u6587\u306e\u306a\u304b\u3067\u201cgato plush\u201d\uff1d\u300c\u30cd\u30b3\u306e\u306c\u3044\u3050\u308b\u307f\u300d\u306e\u90e8\u5206\u3060\u3051\u304c\u30b9\u30da\u30a4\u30f3\u8a9e)\u3002\u7d14\u7c8b\u306a\u8a00\u8a9e\u529b\u306e\u307f\u306a\u3089\u305a\u3001\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3084\u5bb6\u65cf\u306e\u306a\u304b\u3067\u4ed6\u8005\u3068\u540c\u3058\u3088\u3046\u306b\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u5b50\u3069\u3082\u306f\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u304a\u3051\u308b\u898f\u7bc4\u3084\u3001\u4ed6\u8005\u304c\u3069\u306e\u3088\u3046\u306b\u8a71\u3059\u306e\u304b\u3068\u3044\u3063\u305f\u3053\u3068\u3092\u5b66\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u30b9\u30ad\u30eb\u306f\u3001\u5c06\u6765\u306e\u793e\u4f1a\u7684\u4ea4\u6d41\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u306a\u3082\u306e\u3060\u3068\u3044\u3048\u307e\u3059\u3002 \u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u3059\u308b\u304b\u3057\u306a\u3044\u304b\u306b\u3088\u3063\u3066\u3001\u8a00\u8a9e\u767a\u9054\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u304c\u3042\u308b\u304b\u3092\u76f4\u63a5\u6e2c\u308b\u3053\u3068\u306f\u5bb9\u6613\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3068\u306f\u3044\u3048\u3001\u79d1\u5b66\u8005\u304c\u89b3\u5bdf\u3057\u305f\u3044\u304f\u3064\u304b\u306e\u52b9\u679c\u306e\u306a\u304b\u306b\u306f\u3001\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306f\u767a\u9054\u306b\u826f\u3044\u5f71\u97ff\u3092\u3082\u305f\u3089\u3057\u3046\u308b\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u5b50\u3069\u3082\u306b\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u4f7f\u3063\u3066\u8a71\u3057\u304b\u3051\u308b\u3053\u3068\u306f\u3001\u5b50\u3069\u3082\u306e\u5411\u793e\u4f1a\u7684\u306a\u884c\u52d5\u3092\u4fc3\u3057\u3001\u591a\u8a00\u8a9e\u74b0\u5883\u306b\u304a\u3051\u308b\u4ed6\u8005\u3068\u306e\u3084\u308a\u3068\u308a\u3092\u5bb9\u6613\u306b\u3059\u308b\u3088\u3046\u3067\u3059\u3002 \u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u4f7f\u3046\u5b50\u3069\u3082\u306f\u6df7\u4e71\u3057\u3066\u3001\u8907\u6570\u306e\u8a00\u8a9e\u3092\u6df7\u540c\u3057\u3066\u4f7f\u3063\u3066\u3057\u307e\u3046\u306e\u3060\u3001\u3068\u3044\u3046\u8003\u3048\u306f\u3042\u308b\u7a2e\u306e\u300c\u795e\u8a71\u300d\u3060\u3068\u3044\u3048\u308b\u3067\u3057\u3087\u3046\u3002\u5b9f\u969b\u306b\u306f\u3001\u5b50\u3069\u3082\u306f\u990a\u80b2\u8005\u3068\u540c\u3058\u304f\u3089\u3044\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u4f7f\u3046\u306e\u3067\u3059\uff01\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306f\u3001\u591a\u8a00\u8a9e\u74b0\u5883\u306b\u3042\u308b\u5bb6\u5ead\u3084\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u304a\u3044\u3066\u306f\u3088\u304f\u898b\u3089\u308c\u308b\u73fe\u8c61\u3060\u3068\u3044\u3048\u307e\u3059\u3002 \u3082\u3057\u3042\u306a\u305f\u304c\u666e\u6bb5\u304b\u3089\u30b3\u30fc\u30c9\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u4f7f\u3063\u3066\u3044\u308b\u306a\u3089\u3001\u7570\u306a\u308b\u65b9\u6cd5\u3067\u8a71\u3059\u3088\u3046\u306b\u3057\u306a\u3051\u308c\u3070\uff01\u3068\u7121\u7406\u3092\u3059\u308b\u5fc5\u8981\u306f\u307e\u3063\u305f\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u30ea\u30e9\u30c3\u30af\u30b9\u3057\u3066\u3001\u4f1a\u8a71\u306b\u5922\u4e2d\u306b\u306a\u3063\u3066\u304f\u3060\u3055\u3044\u306d\u3002 \u79d1\u5b66\u7684\u306a\u53c2\u8003\u6587\u732e: Byers-Heinlein, K. (2013). Parental language mixing: Its measurement and the relation of mixed input to young bilingual children\u2019s vocabulary size. 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