Sung-Joo Lim

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(2007). Can a polite intelligent tutoring system lead to improved learning outside of the lab? Abstract. In this work we are investigating the learning benefits of e-Learning principles (a) within the context of a web-based intelligent tutor and (b) in the " wild, " that is, in real classroom (or homework) usage, outside of a controlled laboratory. In the(More)
Previous studies have demonstrated the learning benefit of per-sonalized language and worked examples. However, previous investigators have primarily been interested in how these interventions support students as they problem solve with no other cognitive support. We hypothesized that personalized language added to a web-based intelligent tutor and worked(More)
When should instruction provide or withhold assistance? In three empirical studies, we have investigated whether worked examples, a high-assistance approach, studied in conjunction with tutored problems to be solved, a mid-level assistance approach, can lead to better learning. Contrary to prior results with untutored problem solving, a low-assistance(More)
Previous studies have demonstrated the learning benefit of per-sonalized language and worked examples. However, previous investigators have primarily been interested in how these interventions support students as they problem solve with no other cognitive support. We hypothesized that personalized language added to a web-based intelligent tutor and worked(More)
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