Conference Presentations

2026

Cheng, C., Tzeng, S., & Chen, C.-h. (2026, October 31–November 1). Exploratory factor analysis without rotation or factor retention: Membership under perfect simple structure [Oral presentation]. The 65th Annual Convention of the Taiwanese Psychological Association, Taichung, Taiwan.
Cheng, C., & Yang, H.-H. (2026a, October 23–25). Constructing gradients within a language: Tiered dispatch and its measurement in the R package DefDiff [Oral presentation]. The 40th Symposium of the Japanese Society of Computational Statistics, Utsunomiya, Japan. https://jscs.jp/conf-sympo40/
Cheng, C., & Yang, H.-H. (2026b, October 26–29). Definable differentiation: Gradients as a closure operator on a declared language [Poster presentation]. The 29th Information-Based Induction Sciences Workshop, Saitama, Japan. https://ibisml.org/ibis2026/
Cheng, C., Yang, H.-H., & Hsu, Y.-F. (2026a, August 31–September 3). Beyond first-order efficiency: A risk-difference series framework with application to IRT standard errors [Oral presentation]. The 54th Annual Meeting of the Behaviormetric Society, Okayama, Japan. https://conference.wdc-jp.com/bms/2026/
Cheng, C., Yang, H.-H., & Hsu, Y.-F. (2026b, September 4–6). An impossibility theorem for distribution-free sample size rules in the CLT: Reconsidering the n > 30 rule [Poster presentation]. The 90th Annual Convention of the Japanese Psychological Association, Tokyo, Japan. https://pub.confit.atlas.jp/ja/event/jpa2026/
Cheng, C., Yang, H.-H., Hsu, Y.-F., & Lay, K.-L. (2026, July 20–24). Validity evidence for the joint Thurstonian models [Oral presentation]. International Meeting of the Psychometric Society 2026, Seoul, South Korea. https://www.psychometricsociety.org/annual-meeting/
Yang, H.-H., Hsu, Y.-F., & Cheng, C. (2026, July 20–24). Finite-sample evaluation of computerized adaptive testing [Poster presentation]. International Meeting of the Psychometric Society 2026, Seoul, South Korea. https://www.psychometricsociety.org/annual-meeting/

2025

Cheng, C. (2025, December 4–6). Identifiability of ordinal SEM and item factor analysis [Invited talk]. The 13th Conference of the IASC-ARS, Ho Chi Minh City, Vietnam. https://viasm.edu.vn/en/hdkh/iasc-ars-2025
Session: Recent advances in latent variable models.
Cheng, C., Lay, K.-L., Yang, H.-H., & Hsu, Y.-F. (2025, May 1–3). A methodology for addressing the biases resulted in ipsative placement of Q-sort items [Poster presentation]. SRCD 2025 Biennial Meeting, Minneapolis, Minnesota, USA. https://www.srcd.org/event/srcd-2025-biennial-meeting/
Cheng, C., Yang, H.-H., & Hsu, Y.-F. (2025a, October 18–19). The universal Cramér-Rao lower bound: A genuine efficiency criterion for both biased and unbiased estimators [Oral presentation]. The 64th Annual Convention of the Taiwanese Psychological Association, Tainan, Taiwan.
Cheng, C., Yang, H.-H., & Hsu, Y.-F. (2025b, August 29–September 1). When the test information curve misleads: Exact bias, SE, and RMSE curves in item response theory [Oral presentation]. The 53rd Annual Meeting of the Behaviormetric Society, Kanagawa, Japan. https://conference.wdc-jp.com/bms/2025/index.html/
Cheng, C., Yang, H.-H., Hsu, Y.-F., & Lay, K.-L. (2025, September 5–7). Paradigmatic decisions for measuring choices and preferences: Likert scales, comparative judgments, or combined models? Using academic attribution as an example [Poster presentation]. The 89th Annual Convention of the Japanese Psychological Association, Sendai, Japan. https://pub.confit.atlas.jp/ja/event/jpa2025/

2024

Cheng, C., & Hsu, Y.-F. (2024, September 10–13). Integrating power analysis and accuracy in parameter estimation: A unified approach to sample size planning in quantitative research [Poster presentation]. The 52nd Annual Meeting of the Behaviormetric Society, Osaka, Japan. https://conference.wdc-jp.com/bms/2024/index.html/
Cheng, C., Yang, H.-H., & Hsu, Y.-F. (2024a, September 6–8). On the existence and uniqueness of polychoric correlations [Poster presentation]. The 88th Annual Convention of the Japanese Psychological Association, Kumamoto, Japan. https://pub.confit.atlas.jp/ja/event/jpa2024/
Cheng, C., Yang, H.-H., & Hsu, Y.-F. (2024b, July 16–19). On the existence, uniqueness, and finiteness of MLE of the ability in IRT [Poster presentation]. International Meeting of the Psychometric Society 2024, Prague, Czech Republic. https://www.psychometricsociety.org/annual-meeting/
Cheng, C., Yang, H.-H., Hsu, Y.-F., & Lay, K.-L. (2024, October 26–27). Two are better than one: Incorporating Likert scale and comparative judgment data in joint Thurstonian models [Oral presentation]. 2024 Taiwanese Psychological Association Convention, Taipei, Taiwan. https://www.tpa-tw.org/2024main/
Cheng, C., Yang, H.-H., Lay, K.-L., & Hsu, Y.-F. (2024, June 16–20). Predetermined R-squared: An index of later development determined by the past [Poster presentation]. 27th Biennial Meeting of the International Society for the Study of Behavioural Development, Lisbon, Portugal. https://2024biennial.issbd.org/

2023

Cheng, C., Yang, H.-H., & Hsu, Y.-F. (2023, August 25–28). Identifiability of polychoric models with latent elliptical distributions [Oral presentation]. International Meeting of the Psychometric Society 2023, College Park, Maryland, United States. https://www.psychometricsociety.org/annual-meeting/
Yang, H.-H., Cheng, C., & Hsu, Y.-F. (2023, August 25–28). Estimates of standard errors and confidence intervals for the ability parameter in the 2PL model with fast and exact parametric bootstrap [Poster presentation]. International Meeting of the Psychometric Society 2023, College Park, Maryland, United States. https://www.psychometricsociety.org/annual-meeting/

2021

Cheng, C., Huang, Y.-J., & Hsu, Y.-F. (2021, October 16–17). 閾值估計探究:引入反應信心量尺於適測方法 [Incorporating response confidence into adaptive methods for threshold estimation] [Oral presentation]. 2021 Taiwanese Psychological Association Convention, Virtual. https://www.tpa-tw.org/
Lay, K.-L., Cheng, C., & Huang, S.-Y. (2021, April 7–9). Associations of parental mastery and performance goal orientations and preschoolers’ mastery motivation. In W. Wang (Chair), Understanding the origins, determinants, and consequences of children’s mastery motivation: A developmental approach [Symposium]. SRCD 2021 Biennial Meeting, Virtual. https://www.srcd.org/event/srcd-2021-biennial-meeting

2020

Cheng, C., Lay, K.-L., & Hsu, Y.-F. (2020, November 18). Can Likert scales predict choices? Explaining the incongruence between Likert-scale and comparative-judgment predictions based on a joint Thurstonian IRT model [Poster presentation]. The 8th Annual Academic Conference on Psychology at NTU, Taipei, Taiwan.
Award: Second place outstanding poster award.

2019

Cheng, C., Lay, K.-L., Lin, C. Y., Li, Y. Y., Chang, T. C., Yang, L. J., Chen, H. T., & Wang, Y. J. (2019, August 29–31). Differential SEL effect for children with diverse initial states: II. The communication-skill curriculum designed by Taiwan Happiness Village Association [Poster presentation]. 7th ENSEC Conference, Budapest, Hungary. https://ensec2019.elte.hu/

2018

Cheng, C., Lay, K.-L., & Hsu, Y.-F. (2018, May 21–25). 華人真的最希望自己是個努力的人嗎?以次序成對比較探討學生之「理想我」與「應該我」 [Do Chinese really prioritize effort? Using ordinal paired comparison to investigate students’ ideal self and ought self] [Oral presentation]. 2018 Academic Conference of Psychology Departments from National Taiwan University, Peking University, and The Chinese University of Hong Kong, Hong Kong, China.

2016

Cheng, C., & Lay, K.-L. (2016a, May 23–27). Activation control moderates the relation between motivation and procrastination [Oral presentation]. 2016 Academic Conference of Psychology Departments from National Taiwan University, Peking University, and The Chinese University of Hong Kong, Taipei, Taiwan.
Cheng, C., & Lay, K.-L. (2016b, May 23–27). 載舟還是覆舟?–失敗恐懼對大學生拖延閒混的預測力 [Carry or capsize? The predictive power of fear of failure on college students’ procrastination] [Poster presentation]. 2016 Academic Conference of Psychology Departments from National Taiwan University, Peking University, and The Chinese University of Hong Kong, Taipei, Taiwan.

2015

Cheng, C., & Lay, K.-L. (2015, October 17–18). 前段高中學生拖延閒混行為背後的「努力沒有用」信念 [Belief in “no contingency between effort and outcome” predicts procrastination behavior among gifted high school students] [Oral presentation]. 2015 Taiwanese Psychological Association Convention, Taipei, Taiwan. https://www.facebook.com/taiwanpsy/

Invited Talks

2026

Cheng, C. (2026, August 27). Open code on GitHub: Everything is on the record [Invited panel presentation]. Open Science in Educational Research: Principles, Practices, and Pathways Forward, SITE Research and Evaluation SIG Open Science Webinar, Online.
Panel of four; co-opened the session and moderated the panel discussion.