Research Assistant of National Taiwan University  •  National Taiwan University

April 2023 - Present

1. Title of the Project
   Constructing Physical and Mental Health Rating System for National Taiwan University Students 
   Director: Professor Kai-Ping Yao (Department of Psychology, National Taiwan University)
   
2. Responsibility for the project
        The main goal for me is to constructing the Computerized Adaptive Testing for Students to reduce the time-consuming questionnaire but with high percentage of correct classification which students should be taken care of more.
       This is my first time constructing a test with real data. Instead of simulated data, empirical data with time and social effect may influence the test validity and reliability. To reduce the interaction between the confounding variable and test validity/reliability, I may propose some indices or the item selection algorithm to stabilize the test structure (i.e., Stabilize the correlation or relationship between latent variables we are willing to measure).
3. Future Direction for the Projects
   　　針對現有的測驗編製，採用MS-CAT搭配多向度內容對學生進行身心適應的測量；然而，本研究僅評估採用GRM模型建置MS-CAT的結果，未來如需提供給專業輔導人士進行客觀評估學生身心適應狀態，可採用部分給分模式（Partial Credit Model, PCM）進行建置，則可針對訪談結果進行身心適應的填答。另外，本研究並未考量試題安全性議題，如：試題曝光率控管議題。當一試題本身提供足夠訊息量時，將會提供多數參與者進行施測；然而，剩餘試題因未提供作答，故對身心適應的評估並無法提供任何訊息。對此，後續研究將可針對試題曝光率進行控管，讓部分試題可以在控管算則加權下進行施測。最後，DIF檢核方面，因CAT答題反應矩陣多數為缺失值，故過往針對紙本測驗的檢核策略與方法將會出現型一錯誤與統計檢定力大幅下降問題。Hsu 與 Chen（2018）提出雙重量尺淨化法（Dual Scale Purification, DSP）應用於PISA-2016資料庫。其結果說明DSP在PISA等大型資料庫中有缺失值時仍可維持DIF檢核之型一錯誤率與統計檢定力。未來研究可採用DSP為共同量尺試題策略進行對本身心適應量表的DIF檢核，以找出具有DIF的試題。

Teaching Assistant of Statistics of Psychology and Education  •  National Taiwan University

September 2021 - Present

The experiences of Teaching Assistant of National Taiwan University are as follows:

1. 2021.09.22-2022.01.31: TA for Statistics in Psychology and Education (1)
2. 2022.02.14-2022.06.30: TA for Statistics in Psychology and Education (2)
3. 2022.09.01-2022.12.31: TA for Statistics in Psychology and Education (1)
4. 2022.09.01-2022.12.31: TA for Statistics in Psychology and Education (1)
   (Class 2, English as Medium Instruction Class, EMI)
5. 2023.02.15-2023.06.30: TA for Statistics in Psychology and Education (2)
6. 2023.02.15-2023.06.30: TA for Statistics in Psychology and Education (2)
   (Class 2, English as Medium Instruction Class, EMI)
7. 2023.09.11-2023.12.31: TA for Statistics in Psychology and Education (1)
   (Class 2, English as Medium Instruction Class, EMI)

Research Assistant of National Science and Technology Council  •  東吳大學 Soochow University

October 2019 - July 2021

The experiences of Research Assistant of National Science and Technology council are as follows:

1. Controlling the Minimum Item Exposure Rate in Computerized Adaptive Testing: A Two-Stage Sympson-Hetter Procedure (MOST 108-2410-H-031-037) 
   Director: Associate Professor Jyun-Hong Chen
                   (Department of Psychology, National Cheng Kung University)
2. Utilizing Real-time Test Data to Enhance Optimal Design in Computerized Adaptive Testing (MOST 109-2410-H-006-119) 
   Director: Associate Professor Jyun-Hong Chen
                   (Department of Psychology, National Cheng Kung University)
3. Two-stage Statistical Method of Recurrent Event Data (MOST 107-2118-M-031-001-MY2) Director: Professor Hui-Wen Lin
                    (Department of Mathematics, Soochow University)

The responsibilities of the above mentioned are to conducting simulation using R, SPSS, SAS, Python. Moreover, illustrating the result by precise languages is the most challenging part to finish all the projects.

Teaching Assistant of Statistics of Psychology and Education  •  東吳大學 Soochow University

September 2019 - June 2021

The main responsibility for teaching assistant is to help students figure out their academic problems. For the last semester of 2021, I got the certificate of the excellent teaching assistant.