Chonnam National University Master's Student Hoseong Ryu Wins Top Prize at Korean Society for Psychological Measurement and Assessment

Hoseong Ryu, Master's Student, Department of Psychology, Chonnam National University.

Chonnam National University announced on May 9 that Hoseong Ryu, a master's student in the Department of Psychology (advisor: Kim Soyoung), recently won the top prize in the poster presentation category at the 2024 Spring Conference of the Korean Society for Psychological Measurement and Assessment.

Ryu received high praise for presenting his research on the topic of "Comparison of Dynamic Structural Equation Models Considering Unequal Time Intervals." He pointed out the limitations of the conventional discrete time interval adjustment method and presented simulation results using a "continuous-time residual dynamic structural equation model" that addresses these shortcomings. Unlike existing methods that adjust observed values to fit fixed time intervals, this approach is distinctive in that it reflects the actual time intervals as they are.

The research found that this model resulted in less parameter estimation bias than conventional methods under various conditions. As a result, it has attracted attention as an effective alternative for future time-based psychological data analysis.

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