A continuous-time dynamic choice measurement model for problem-solving process data

Chen, Yunxiao ORCID: 0000-0002-7215-2324 (2020) A continuous-time dynamic choice measurement model for problem-solving process data. Psychometrika. ISSN 0033-3123

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Abstract

Problem solving has been recognized as a central skill that today’s students need to thrive and shape their world. As a result, the measurement of problem-solving competency has received much attention in education in recent years. A popular tool for the measurement of problem solving is simulated interactive tasks, which require students to uncover some of the information needed to solve the problem through interactions with a computer-simulated environment. A computer log file records a student’s problem-solving process in details, including his/her actions and the time stamps of these actions. It thus provides rich information for the measurement of students’ problem-solving competency. On the other hand, extracting useful information from log files is a challenging task, due to its complex data structure. In this paper, we show how log file process data can be viewed as a marked point process, based on which we propose a continuous-time dynamic choice model. The proposed model can serve as a measurement model for scaling students along the latent traits of problem-solving competency and action speed, based on data from one or multiple tasks. A real data example is given based on data from Program for International Student Assessment 2012.

Item Type:	Article
Official URL:	https://www.springer.com/journal/11336
Additional Information:	© 2020 Springer Nature Switzerland AG
Divisions:	Statistics
Subjects:	B Philosophy. Psychology. Religion > BF Psychology H Social Sciences > HA Statistics Q Science > QA Mathematics
Date Deposited:	13 Nov 2020 16:30
Last Modified:	20 Dec 2024 00:40
URI:	http://eprints.lse.ac.uk/id/eprint/107445

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