2023-2025 Language ideology, Taiwaneseness, and Chineseness (語言意識形態、台灣性、與華人性）. National Science and Technology Council, Taiwan.
2022-2023 Mandarin Chinese in the Post COVID-19 Era: The Commodification of Language and Identity in Teaching Chinese as a Second/Foreign Language (後疫情時代的華語文：從華語文教學場域看語言與認同的市場化). Ministry of Science and Technology, Taiwan.
2021-2022 Qualia, differentiation, and Taiwan Mandarin: A semiotic approach to language, identity, and language ideologies (感質、區辨、與台灣華語: 從符號學的角度看語言、認同、與意識形態). Ministry of Science and Technology, Taiwan.
2020-2021 Mandarin Chinese in the global age: The commodification of language and identity in Teaching Chinese as a Second/Foreign Language (全球化之下的華語文：從華語文教學場域看語言與認同的市場化). Ministry of Science and Technology, Taiwan.
2019-2020 The construction of mother identity in same-sex marriage debates. (同性婚姻相關論述中「母親」身份的建構). Ministry of Science and Technology, Taiwan.
2017-2018 A socio-pragmatic study of ideologies in the discourse of same-sex marriage. (以社會語用觀點解讀同性婚姻支持及反對意見之意識型態). Ministry of Science and Technology, Taiwan.
2016-2017 Redefining family and marriage: A pragmatic and conceptual metaphorical study of discourses of same-sex marriage. (家庭與婚姻的再定義). Ministry of Science and Technology, Taiwan.
2016-2019 Humor in Taiwan. Chiang Ching-Kuo Foundation for International Scholarly Exchange. (with Michael Haugh, Danial Kádár, & Melody Chang)
2015-2016 Politeness, identity, and language ideologies among Taiwanese in China (2). (兩岸禮貌差異之論述，語言意識型態，與認同建構 （二）). Ministry of Science and Technology, Taiwan.
2014-2015 Politeness, identity, and language ideologies among Taiwanese in China. (兩岸禮貌差異之論述，語言意識型態，與認同建構). Ministry of Science and Technology, Taiwan.
2012-2013 Tourism and the orthographic debate on traditional and simplified Chinese scripts: Language, identity, and ideologies in the globalized new economy. (解讀陸客自由行引發之正體簡體字爭議：語言態度，認同，與觀光發展). National Science Council, Taiwan. (With Chun, Chen-Cheng)
2011-2013 Language use, identity, and language ideologies among Taiwanese families in Shanghai. (大上海地區台商及其子女之語言使用，語言態度，及認同建構). National Science Council, Taiwan.
2008-2011 Language and identity among Taiwanese professionals in Shanghai. (大上海地區台商的語言與認同). National Science Council, Taiwan.
2007-2008A sociolinguistic study of taike: Language, identity, and performativity. (「台客」社會語言學研究：語言，認同，和表演性). National Science Council, Taiwan.
2006-2007 Phonological variation and identity construction--A quantitative study. (語音變異與群體認同的建構─量化分析). National Science Council, Taiwan.
2005-2006 Language use and group identity construction: Examples from public performances of university clubs. (語言使用與群體認同的建構：以大學社團公演為例). National Science Council, Taiwan.
2005-2006 Language styling and code-switching on the Taiwanese Internet: Language use, identity construction, and language ideologies. (台灣地區網際網路語言之腔調轉換與符轉換現象之研究：語言使用、群體認同、及語言意識形態之互動). Office of Research and Development, National Taiwan Normal University.
2002-2003 Language styling and switching in speech and online contexts: Identity and Language Ideologies in Taiwan. Dissertation Improvement Grant. National Science Foundation, USA.