Evaluating Two Web-based Grammar Checkers-Microsoft ESL Assistant and NTNU Statistical Grammar Checker. - Howard Hao-Jan Chen (Int. J. Comput. Linguistics Chin. Lang. Process., 2009)

Examining the Potentials of Computer Games for English Learning. - Howard Hao-Jan Chen; Wendy Yu-Chen Huang (DIGITEL, 2010)

Constructing a 3D Virtual World for Foreign Language Learning Based on Open Source Freeware. - Howard Hao-Jan Chen; Cheng-Chao Su (Edutainment, 2011)

Investigating the Effects of an Adventure Video Game on Foreign Language Learning. - Howard Hao-Jan Chen; Christine Ting-Yu Yang (Edutainment, 2011)

Developing and evaluating an oral skills training website supported by automatic speech recognition technology. - Howard Hao-Jan Chen (ReCALL, 2011)

Constructing a Chinese as Second Language Learner Corpus for Language Learning and Research. - Howard Chen 006 (DH, 2012)

Learners' Perceptions of a Commercial Adventure Video Game for Learning English as a Second/Foreign Language. - Christine Ting-Yu Yang; Howard Hao-Jan Chen (ICCE, 2012)

The impact of adventure video games on foreign language learning and the perceptions of learners. - Howard Hao-Jan Chen; Ting-Yu Christine Yang (Interact. Learn. Environ., 2013)

The Error Analysis of ¡§Le¡¨Based on ¡§Chinese Learner Written Corpus¡¨. - Tzu-Yun Tung; Howard Hao-Jan Chen; Hui-Mei Yang (Int. J. Comput. Linguistics Chin. Lang. Process., 2015)

Developing a Speaking Practice Website by Using Automatic Speech Recognition Technology. - Howard Hao-Jan Chen (SETE@ICWL, 2016)

Using Narrative-based Contextual Games to Enhance Language Learning: A Case Study. - Zhi-Hong Chen; Howard Hao-Jan Chen; Wan-Jhen Dai (J. Educ. Technol. Soc., 2018)

Investigating college EFL learners' perceptions toward the use of Google Assistant for foreign language learning. - Howard Hao-Jan Chen; Christine Ting-Yu Yang; Kyle Kuo-Wei Lai (Interact. Learn. Environ., 2023)

The impact of Google Assistant on adolescent EFL learners' willingness to communicate. - Tzu-Yu Tai; Howard Hao-Jan Chen (Interact. Learn. Environ., 2023)

A study on the effect of adding L1 glosses in the subtitle of an adventure game for vocabulary learning. - Howard Hao-Jan Chen; Hsiao-Ling Hsu; Zhi-Hong Chen (Interact. Learn. Environ., 2023)

Investigating the impact of the Amazon Alexa on the development of L2 listening and speaking skills. - Hsiao-Ling Hsu; Howard Hao-Jan Chen; Andrew G. Todd (Interact. Learn. Environ., 2023)

Improving elementary EFL speaking skills with generative AI chatbots: Exploring individual and paired interactions. - Tzu-Yu Tai; Howard Hao-Jan Chen (Comput. Educ., 2024)

The effectiveness of automated writing evaluation in EFL/ESL writing: a three-level meta-analysis. - Thuy Thi-Nhu Ngo; Howard Hao-Jan Chen; Kyle Kuo-Wei Lai (Interact. Learn. Environ., 2024)

L2 vocabulary learning through a COTS adventure game: Individual vs. paired gameplay and the influence of word exposure frequency, word level, and word salience. - Kyle Kuo-Wei Lai; Howard Hao-Jan Chen (Comput. Educ., 2025)