This map shows the geographic impact of Hea-Jin Lee's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Hea-Jin Lee with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Hea-Jin Lee more than expected).
This network shows the impact of papers produced by Hea-Jin Lee. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Hea-Jin Lee. The network helps show where Hea-Jin Lee may publish in the future.
Co-authorship network of co-authors of Hea-Jin Lee
This figure shows the co-authorship network connecting the top 25 collaborators of Hea-Jin Lee.
A scholar is included among the top collaborators of Hea-Jin Lee based on the total number of
citations received by their joint publications. Widths of edges
represent the number of papers authors have co-authored together.
Node borders
signify the number of papers an author published with Hea-Jin Lee. Hea-Jin Lee is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Lee, Hea-Jin, et al.. (2021). Differentiated Instruction to Teach Mathematics: Through the Lens of Responsive Teaching. Mathematics teacher education and development. 23(3).7 indexed citations
7.
Lee, Hea-Jin, et al.. (2018). Examining the Impact of a Framework to Support Prospective Secondary Teachers' Transition from 'Doer' to 'Teacher' of Mathematics.. Mathematics teacher education and development. 20(1). 112–131.1 indexed citations
Lee, Hea-Jin, et al.. (2016). Professional Development for Mathematics Teachers: Using Task Design and Analysis. SHILAP Revista de lepidopterología. 19(2).1 indexed citations
10.
Lee, Hea-Jin, et al.. (2013). Challenging Common Misconceptions of Fractions through GeoGebra. Society for Information Technology & Teacher Education International Conference. 2013(1). 2893–2898.3 indexed citations
Lee, Hea-Jin, S. Aslı Özgün‐Koca, & Dean Cristol. (2011). An Analysis of High School Transformation Effort from an Outcome Perspective. SHILAP Revista de lepidopterología.47 indexed citations
13.
Lee, Hea-Jin, et al.. (2011). Reflecting on Portfolio Development. International Journal of Online Pedagogy and Course Design. 1(1). 64–78.3 indexed citations
14.
Lee, Hea-Jin, et al.. (2009). A Capstone Experience for Preservice Teachers: Building a Web-Based Portfolio. Educational Technology & Society. 12(2). 101–110.18 indexed citations
Lee, Hea-Jin. (2001). Enriching the Professional Development of Mathematics Teachers. ERIC Digest..10 indexed citations
19.
Lee, Hea-Jin. (1999). The nature of the changes in reflective thinking in Preservice Mathematics Teachers engaged in Student Teaching Field Experience in Korea /. OhioLink ETD Center (Ohio Library and Information Network).12 indexed citations
20.
Lee, Hea-Jin, et al.. (1999). A Comparative Study of the United States, Turkey, and Korea: Attitudes and Beliefs of Preservice Mathematics Teachers toward Mathematics, Teaching Mathematics, and Their Teacher Preparation Programs..2 indexed citations
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive
bibliographic database. While OpenAlex provides broad and valuable coverage of the global
research landscape, it—like all bibliographic datasets—has inherent limitations. These include
incomplete records, variations in author disambiguation, differences in journal indexing, and
delays in data updates. As a result, some metrics and network relationships displayed in
Rankless may not fully capture the entirety of a scholar's output or impact.