About us

Director of LIQAS

Dr. Johnson Li is an Associate Professor in the Department of Psychology at the University of Manitoba.

Research interests: Next-gen data solution to behavioural and social statistics, including nonparametric effect sizes and statistics, meta-analysis, corrections for range restriction, resampling techniques, mediation/moderation, structural equation modeling, latent-variable modeling,

Teaching interests: Quantitative methods in psychology, design and analysis for psychological experiments, applied univariate and multivariate statistics, measurement and psychological testing, resampling techniques, and latent-variable modeling.


Current Graduate Students

My name is Jianjie Zeng, a master’s graduate in the area of quantitative psychology under the supervision of Dr. Johnson Li. My research interests are focused on large-scale assessments, educational measurements, and latent variable modeling. I am currently conducting my master thesis on applying cognitive diagnostic model to PISA mathematics items, which to identify mastered attributes of 15-year-old Canadian student mathematics literary.

Kit Duguay – M.A. student (Quantitative Psychology)

Ian Gonzales – M.A. student (Quantitative Psychology)


Previous Graduate Students, Student Research Assistants, and Helpers

Mr. Jiazhou Bi was a M.Sc. student from the Department of Marketing, Asper School of Business, University of Manitoba. Jiazhou received his Psychology Undergraduate Research (PURE) Award in 2015 on examining the reliability of the Spence Children’s Anxiety Scale (SCAS). Jiazhou was included in the faculty’s dean’s list multiple times, and was honoured with scholarship for four times while he was completing his first-class honour degree in psychology at the University of Manitoba. After finishing the bachelor degree, Jiazhou will continue his research in marketing with his psychology insights and methodology in this future.


Mr. Marcello Nesca graduated from a MSc in the Community Health Sciences, and he obtained his Honours degree in the Psychology Department at the University of Manitoba. He has a significant amount of experience in Research due to his work experience as a market research analyst for the past 7 years, as well as having completed a BCom Honours degree in 2005. He is very enthusiastic and passionate about research. Marcello’s future interests are graduate studies in Social Psychology, as well as aspiring to be a future Professor and Researcher


Rory Waisman is a Ph.D. candidate in Marketing at the University of Alberta. He was a research assistant and Psychology Undergraduate Research (PURE) award winner in our lab.  Rory graduated from the Psychology Honours program in 2017 but continues as an active research collaborator. He has co-authored two journal articles on the application of non-parametric effect size measures and continues to work with Dr. Li to advance statistical methods in the psychology and behavioral sciences more broadly. At the University of Alberta, Rory investigates consumer judgment and decision making. He applies a rigorous empirical approach that incorporates experimental methods, eye tracking, field studies, big data analytics, and computational simulations to advance theory, connect theory with marketplace realities, and reveal practical implications for consumers, firms, and policy makers. 


Mr. Yongtian Cheng graduated from the M.A. in quantitative psychology program at the University of Manitoba. He was born in China and enjoys the beauty of Canada and Winnipeg. His research interest is the reliability of statistical methodology used in psychological research. Cheng’s ambition is becoming a quantitative psychologist, and he presented his honour-thesis study at the International Meeting of the Psychometric Society (IMPS) in 2016. He is studying a Ph.D. in London Psychometric Laboratory at University College London (UCL).

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