Research Projects:

• Phoocharoensil, S. (2023). ELT and AL research trends in Thai SCOPUS-indexed journals (funded by Language Institute, Thammasat University).
• Phoocharoensil, S. (2021). A corpus study of the near-synonyms ‘persist’ and ‘persevere’ (funded by Language Institute, Thammasat University).
• Phoocharoensil, S. (2015). Analyzing the Relative Marker THAT in L2 English: A Corpus-based Approach
• Phoocharoensil, S. (2014). A Corpus-based Error Analysis of WHERE Relative Clauses
• Phoocharoensil, S. (2012). An Investigation into Interlanguage Adverbial and Prepositional Relative Clauses
• Phoocharoensil, S. (2012). English collocational deviations in Thai learners’ interlanguage (funded by Language Institute of Thammasat University).
• Phoocharoensil, S. (2009). A study of English relative clauses in the interlanguage of Thai EFL learners. Ph.D. dissertation. Chulalongkorn University.

Research Articles:

• Phoocharoensil, S. (2025). Exploring collocational patterns and genres: An analysis of the use of poisonous and venomous in American English. World Journal of English Language, 15(2), 202-212.
• Phoocharoensil, S. (2023). Teaching English conditionals through Data-Driven Learning (DDL): Perspectives of in-service EFL teachers. Theory and Practice in Language Studies, 13(10), 2620-2628.
• Phoocharoensil, S. (2022). ELT and AL research trends in Thai SCOPUS-indexed journals. PASAA, 64, 163-193.
• Phoocharoensil, S. (2022). Primary, main, and major: Learning the synonyms through corpus data. GEMA Online® Journal of Language Studies, 22(4), 76-89.
• Phoocharoensil, S. (2022). The English split infinitive across genres. Journal of Positive School Psychology, 6(4), 1441-1453.
• Phoocharoensil, S. (2021). Multiword units and synonymy: Interface between collocations, colligations, and semantic prosody. GEMA Online® Journal of Language Studies, 21(2), 28-45.
• Phoocharoensil, S. (2021). Semantic prosody and collocation: A corpus study of the near-synonyms persist and persevere. Eurasian Journal of Applied Linguistics, 7(1), 240-258.
• Phoocharoensil, S. (2020). Collocational patterns of the near-synonyms error, fault, and mistake. The International Journal of Communication and Linguistic Studies, 19(1), 1-17.
• Phoocharoensil, S. (2020). A genre and collocational analysis of consequence, result, and outcome. 3L: Language, Linguistics, Literature. The Southeast Asian Journal of English Language Studies, 26(3), 1-16.
• Phoocharoensil, S. (2020). English get-passives: Reassessing the frequencies across genres. GEMA Online® Journal of Language Studies, 20(2), 123-135.
• Phoocharoensil, S. (2020). Key factors influencing MA (ELT) student satisfaction: A case from graduate community in Thailand. The International Journal of Interdisciplinary Social and Community Studies, 15(1), 1-11.
• Phoocharoensil, S. (2019). On the other hand VS. on the contrary: Are they identical? The International Journal of Communication and Linguistic Studies, 17(1), 1-9.
• Phoocharoensil, S. (2018). Graduate student satisfaction: What are the crucial factors? The International Journal of Learning in Higher Education, 25(4), 1-9.
• Phoocharoensil, S. (2017). Noun Phrase Accessibility Hierarchy: On a corpus-driven quest for order of difficulty in L2 English relative clause acquisition. The International Journal of Communication and Linguistic Studies, 15(3), 16-29.
• Phoocharoensil, S. (2017). Acquisition of English preposition pied-piping and preposition stranding. The International Journal of Communication and Linguistic Studies, 15(2), 1-12.
• Phoocharoensil, S. (2017). A Corpus-based exploration of linking adverbials: Discovering what ELT coursebooks lack. 3L: Language, Linguistics, Literature. The Southeast Asian Journal of English Language Studies, 23(1), 150-167.
  Available online at http://ejournals.ukm.my/3l/article/view/15703/5346
• Phoocharoensil, S. (2016). Typical errors in L1-Thai speakers’ English relative clauses. The International Journal of Learner Diversity and Identities, 23(4), 49-57.
• Phoocharoensil, S. (2015). A corpus-based analysis of the relativizer THAT in L1-Thai speakers’ interlanguage. The International Journal of Communication and Linguistic Studies, 13(4), 49-66.
• Phoocharoensil, S. (2014). Exploring learners’ developing L2 collocational competence. Theory and Practice in Language Studies, 4(12), 2533-2540.
  Available online at http://ojs.academypublisher.com/index.php/tpls/article/view/tpls041225332540/10478
• Phoocharoensil, S. (2014). If-conditionals in authentic corpus-based English. Review of European Studies, 6(3), 62-73.
  Available online at http://www.ccsenet.org/journal/index.php/res/article/view/39513
• Phoocharoensil, S. (2014). Errors on the relative marker WHERE: Evidence from an EFL learner corpus. 3L: Language, Linguistics, Literature. The Southeast Asian Journal of English Language Studies, 20(1), 1-20.
  Available online at http://ejournal.ukm.my/3l/article/view/3224
• Phoocharoensil, S. (2013). Cross-linguistic influence: Its impact on L2 English collocation production. English Language Teaching, 6(1), 1-10.
  Available online at http://www.ccsenet.org/journal/index.php/elt/article/view/23036
• Phoocharoensil, S. (2013). The English split infinitive: A comparative study of learner corpora. International Journal of Research Studies in Language Learning, 2(4), 21-32.
  Available online at http://consortiacademia.org/index.php/ijrsll/article/view/190
• Phoocharoensil, S. (2012). L2 English compliment responses: An investigation of pragmatic transfer. International Journal of Applied Linguistics and English Literature, 1(6), 276-287.
  Available online at http://www.ijalel.org/view.aspx?articleid=169
• Phoocharoensil, S. (2012). On the adverbial relativiser Where and prepositional relatives from an interlanguage perspective. Hong Kong Journal of Applied Linguistics, 13(2), 85-114.
• Phoocharoensil, S. (2011). Collocational errors in EFL learners’ interlanguage. Journal of Education and Practice, 2(3), 103-120.
  Available online at http://www.iiste.org/Journals/index.php/JEP/article/view/204
• Phoocharoensil, S. (2011). Resumptive pronouns in learner language. International Journal of Arts and Sciences, 4(4), 182-193.
• Phoocharoensil, S. (2010). A corpus-based study of English synonyms. International Journal of Arts and Sciences, 3(10), 227-245.
  Available online at http://openaccesslibrary.org/images/BGS109_Supakorn_Phoocharoensil.pdf
• Phoocharoensil, S. (2010). Language universals and learning strategies in L2 relative clause acquisition. The International Journal of Learning, 17(2), 95-107.

Co-authored Research Articles:

• Boontam, P. & Phoocharoensil, S. (2022). Broaden your horizons: Distribution and collocational patterns of the English synonyms expand, widen, and broaden. The International Journal of Communication and Linguistic Studies, 20(1), 107-123.
• Hiranburana, K., Subphadoongchone, P., Tangkiengsirisin, S., Phoochaeoensil, S., Gainey, J., Thongsongsri, J., Sumonsriworakun, P., Somphong, M., Sappapan, P. & Taylor, P. (2018). Framework of Reference for English Language Education in Thailand – (FRELE-TH) based on the CEFR: Revisited in the English educational reform. Pasaa Paritat Journal, 33, 51-91.
• Hiranburana, K., Subphadoongchone, P., Tangkiengsirisin, S., Phoochaeoensil, S., Gainey, J., Thongsongsri, J., Sumonsriworakun, P., Somphong, M., Sappapan, P. & Taylor, P. (2017). A Framework of Reference for English Language Education in Thailand (FRELE-TH) ― based on the CEFR, The Thai experience. LEARN Journal: Language
  Education and Acquisition Research Network, 10(2), 91-120.
• Huebner, T. & Phoocharoensil, S. (2017). Monument as semiotic landscape: The silent historiography of a national tragedy. Linguistic Landscape, 3(2), 101-121.
• Imsa-ard, P. & Phoocharoensil, S. (2022). “A whole new world… wait, Is it a whole, entire, or total world?”: The extraction of collocations for the three English synonym discrimination. 3L: Language, Linguistics, Literature. The Southeast Asian Journal of English Language Studies, 28(2), 67-82.
• Kruawong, T. & Phoocharoensil, S. (2022). A genre and collocational analysis of the nearsynonyms teach, educate, and instruct: A corpus-based approach, TEFLIN Journal, 33(1), 75-97.
• Lertcharoenwanich, L. & Phoocharoensil, S. (2022). A corpus-based study of the nearsynonyms: Purpose, goal and objective. rEFLections, 29(1), 148-168.
• Niwesworakarn, N., Phoocharoensil, S., Petkaew, J. & Intasingh, S. (2023). Collocational patterns of the synonyms join, participate, and attend: A corpus-based study. The International Journal of Communication and Linguistic Studies, 22(1), 63-77.
• Phoocharoensil, S. & Kanokpermpoon, M. (2021). Distinguishing the near-synonyms increase and rise: Genre and collocation investigation. Kasetsart Journal of Social Sciences, 42, 968-975.
• Phoocharoensil, S., Moore, B., Gampper, C., Geerson, E., Chaturongakul, P., Sutharoj, S., & Carlon, W. (2016). Grammatical and lexical errors in low-proficiency Thai graduate students’ writing. LEARN Journal: Language Education and Acquisition Research Network, 9(1), 11-25.
• Phoocharoensil, S. & Simargool, N. (2010). English relativization and learners’ problems. Journal of Pan-Pacific Association of Applied Linguistics, 14(1), 109-129.
  Available online at http://files.eric.ed.gov/fulltext/EJ920506.pdf
• Phoocharoensil, S. & Simargool, N. (2009). Language universals and transfer in interlanguage relative clauses. Thoughts 2009, 53-74.
• Sakulprasertsri, K, Tangkiengsirisin, S., Phoocharoensil, S., Kanokpermpoon, M. & Koowuttayakorn, S. (2021). Online English teacher training during the COVID-19 pandemic in the Thai contexts. Asia Pacific Journal of Educators and Education, 36(2), 299–316.
• Sridhanyarat, K. and Phoocharoensil, S. (2023). A corpus-based investigation of English nearsynonyms: Assess, evaluate, and measure. Humanities, Arts and Social Sciences Studies 23(1), 208–219.

Research Articles Co-authored with Graduate Students:

• Asawapannarai, S. & Phoocharoensil, S. (2018). A corpus-based study of contrastive adverbial use in academic writing. The International Journal of Communication and Linguistic Studies, 16(3-4), 27-47.
• Bajracharya, A. & Phoocharoensil, S. (2020). Attitudes and motivation in learning English of Buddhist novices at Phra Pariyattidhamma school in Bangkok. Journal of International Buddhist Studies, 11(1), 43-70.
• Boontam, P. & Phoocharoensil, S. (2018). Effectiveness of English preposition learning through data-driven learning (DDL). 3L: Language, Linguistics, Literature. The Southeast Asian Journal of English Language Studies, 24(3), 125-141.
• Boontam, P. & Phoocharoensil, S. (2024). Effects of Data-driven Learning on writing complexity, accuracy, and fluency (CAF) of Thai EFL Learners. PASAA, 68(1), 229-271.
• Humphries, D. S. & Phoocharoensil, S. (2012). Examining the English complex prepositions “according to”, “because of”, and “due to” in Thai university student writing. Thoughts 2011, 48-73.
• Iamsisirak, E. & Phoocharoensil, S. (2023). The recognition of English tenses by Thai EFL learners. Journal of Higher Education Theory and Practice, 23(19), 7-18.
• It-ngam, T. & Phoocharoensil, S. (2019). The development of science academic wordlist. Indonesian Journal of Applied Linguistics, 8(3), 657-667.
• Jehma, H. & Phoocharoensil, S. (2014). L1 transfer in the production of fricatives and stops by Pattani-Malay learners of English in Thailand. Asian Social Science, 10(7), 67-78.
  Available online at http://ccsenet.org/journal/index.php/ass/article/view/35648
• Kiativutikul, C. & Phoocharoensil, S. (2014). A corpus-based study of phrasal verbs: CARRY OUT, FIND OUT, and POINT OUT. International Journal of Research Studies in Language Learning, 3(7), 1-16.
  Available online at http://www.consortiacademia.org/index.php/ijrsll/article/view/820
• Kittigosin, R. & Phoocharoensil, S. (2015). Investigation into learning strategies and delexical verbs used by Thai EFL learners. 3L: Language, Linguistics, Literature. The Southeast Asian Journal of English Language Studies, 21(2), 63-72.
• Kongnui, S. & Phoocharoensil, S. (2021). Development of English musicology word list. Psychology and Education, 58(5), 7815-7822.
• Kruawong, T. & Phoocharoensil, S. (2020). Developing an English zoology academic word list: A corpus-based study. Thoughts 2020, (2), 63-77.
• Kruawong, T. & Phoocharoensil, S. (2024). Enhancing science vocabulary and content knowledge of Thai EFL students through Content and Language Integrated Learning (CLIL) and English Science Textbooks Word Lists (ESTWL). rEFLections, 31(1), 275-294.
• Narkprom, N. & Phoocharoensil, S. (2022). Lexical bundles in native English speakers’ and Thai writers’ dissertations. GEMA Online® Journal of Language Studies, 22(3), 43-62.
• Papangkorn, P. & Phoocharoensil, S. (2021). A comparative study of stance and engagement used by English and Thai speakers in English argumentative essays. International Journal of Instruction, 14(1), 867-888.
• Petcharat, N. & Phoocharoensil, S. (2017). A corpus-based study of English synonyms: Appropriate, Proper, and Suitable. LEARN Journal: Language Education and Acquisition Research Network, 10(2), 90-99.
• Piromkij, W. & Phoocharoensil, S. (2022). A corpus-based study of move analysis and lexical bundles of chemical engineering research article introductions. Journal of Positive School Psychology, 6(6), 10656-10672.
• Ramanee, A., & Phoocharoensil, S. (2022). Synonymous intensifiers quite, pretty, rather, and fairly in Thai English learners’ writing: A corpus-based comparative study between native speakers and non-native speakers. The International Journal of Communication and Linguistic Studies, 21(1), 91-104.
• Rattanasak, S. & Phoocharoensil, S. (2014). Avoidance in processing English non-restrictive relative clauses in Thai EFL learners’ interlanguage. Asian Social Science, 10(17), 265-277.
  Available online at http://ccsenet.org/journal/index.php/ass/article/view/39885
• Rojanaatichartasakul, S. & Phoocharoensil, S. (2022). Move structures and stance adverbials in editorials from The Bangkok Post and The New York Times. rEFLections, 29(2), 454-474.
• Sriwanat, S. & Phoocharoensil, S. (2024). A comparison of rhetorical move structure of research article abstracts of Thai Scopus journals and top-ranked Scopus journals in applied linguistics and English language teaching. Shanlax International Journal of Education, 12(3), 11-17.
• Sukitkanaporn, T. & Phoocharoensil, S. (2014). English presentation skills of Thai graduate students. English Language Teaching, 7(3), 91-102.
  Available online at http://www.ccsenet.org/journal/index.php/elt/article/view/34242
• Suwitchanphan, P. & Phoocharoensil, S. (2014). Adjective + noun collocational competence of L1 Thai learners: A comparative study of a regular program and an English program. Asian Social Science, 10(17), 210-221.
  Available online at http://ccsenet.org/journal/index.php/ass/article/view/39668
• Worarattapong, A. & Phoocharoensil, S. (2022). A corpus-based study of the representation of ‘police’, ‘protester’, and ‘student’ in Thai anti-government protest news. Journal of Positive School Psychology, 6(6), 7190-7202.
• Worarattapong, A. & Phoocharoensil, S. (2023). Who blames: Police or protesters?: A corpusbased study of ideological bias in anti-government protest news. Journal of Humanities and Social Sciences, 21(2), 151-172.
• Yaemtui, W. & Phoocharoensil, S. (2019). Effectiveness of data-driven learning on enhancing high-proficiency and low-proficiency Thai EFL undergraduate students’ collocational knowledge. Asian EFL Journal, 23(3.2), 290-314.
• Yumanee, C. & Phoocharoensil, S. (2013). Analysis of collocational errors of Thai EFL students. LEARN Journal: Language Education and Acquisition Research Network, 6(1), 90-99.
  Available online at http://164.115.22.25/ojs222/index.php/LEARN/article/view/230/229

Academic articles:

• Phoocharoensil, S. (2015). What vocabulary should EFL teachers focus on? Language Education and Acquisition Research Network, 8(2), 1-7.
• Phoocharoensil, S. (2014). Formulaic sequences in second language acquisition. Language Education and Acquisition Research Network, 7(1), 68-75.
  Available online at http://164.115.22.25/ojs222/index.php/LEARN/article/view/267
• Phoocharoensil, S. (2012). A pedagogical perspective on the English split infinitive: A view from language corpora. Journal of Teaching and Education, 1(3), 459-464.
  Available online at http://www.universitypublications.net/jte/0103/html/VIE106.xml
• ศุภกรณ์ ภู่เจริญศิลป์. 2550. เรียงถ้อยร้อยความ. ในวารสาร EXIT ฉบับที่ 23-24 หน้า 118
• ศุภกรณ์ ภู่เจริญศิลป์. 2541. ปัญหาที่พึงระวังในการใช้อรรถาภิธานในการเขียนเรียงความภาษาอังกฤษ ในวารสารอักษรศาสตร์พิจารณ์ ปีที่ 1 ฉบับที่ 2. หน้า 46-54

Book Review Articles:

• Phoocharoensil, S. (2017). [Review of the book Doing corpus linguistics by William J. Crawford and Eniko Csomay]. PASAA, 53, 230-234.
• Phoocharoensil, S (2017). [Review of the book Corpus linguistics and the description of English by Hans Lindquist]. Australian Journal of Linguistics, 37(1), 86-90.
  Available online at http://www.tandfonline.com/doi/full/10.1080/07268602.2015.1134264
• Phoocharoensil, S (2016). [Review of the book Corpus linguistics and grammar: A guide for research by Christian Jones and Daniel Waller]. Language Education and Acquisition Research Network, 9(2), 237-238.
• Phoocharoensil, S (2014). [Review of the book Key topics in second language acquisition by Vivian Cook & David Singleton]. Thai TESOL Journal, 27(2), 94-98.
• Phoocharoensil, S (2014). [Review of the book Exploring corpus linguistics: Language in action by Winnie Cheng]. Thoughts 2014, 145-149.
• Phoocharoensil, S. (2012). [Review of the book Vocabulary matrix: Understanding, learning, and teaching, by M. McCarthy, A. O’Keeffe & S. Walsh]. LITU Journal, 5, 120-122.

• Phoocharoensil, S. (2024). SEA components of the International Corpus of English (ICE). In A. Moody (Ed.), Oxford handbook of South East Asian Englishes (pp. 768–782). Oxford University Press.
• Phoocharoensil, S. (2014). Unit 7. University English I. Bangkok: Thammasat University Press.

• ศุภกรณ์ ภู่เจริญศิลป์ 2558 ใช้ศัพท์อังกฤษต้องคิดถึงบริบท (in Thai)

• Phoocharoensil, S. (2015). The relativizer that: A corpus-based interlanguage study. Proceedings of the Inaugural Asian Conference on Education & International Development, 401-410.
  Available online at http://iafor.org/issn-2189-101x-the-asian-conference-on-education- international-development-2015-official-conference-proceedings/
• Phoocharoensil, S. (2012). Language corpora for EFL teachers: An exploration of English grammar through concordance lines. Procedia-Social and Behavioral Sciences, 64, 507-514.
  Available online at http://ac.els-cdn.com/S1877042812050379/1-s2.0-
• Phoocharoensil, S. (2011). Second language acquisition of English prepositional relative clauses. Proceedings of the 4th Biennial International Conference on the Teaching and Learning of English in Asia, 1-17.
• Humphries, D. S. & Phoocharoensil, S. (2011). From contrastive analysis hypothesis to cross- linguistic influence: Along the evolutionary trail of language transfer theories. Proceedings of The First International Conference on English Language and Literary Studies on “Expanding Horizons in English Language and Literary Studies (ELLS 2011)”, 182-189.
• Phoocharoensil, S. (2009). Teaching relative clauses to EFL learners. Proceedings of the Asia TEFL 2009, 15-24.
  Available online at http://thaitesol.org/images/documents/proceeding2010/02_thaitesolproceeding2010_phoocharoe nsil.pdf
• Phoocharoensil, S. (2009). Relative clause acquisition and EFL learners. Proceedings of 14th Conference of Pan-Pacific Association of Applied Linguistics, 1-4.
  Available online at www.paaljapan.org/conference2009/proceedingsPAAL2009.pdf