Building example-tracing tutors with CTAT is 4–8 times as cost-effective as estimates for ITS development from the literature.¶

Claim · All claims
Evidence · 1 study · review r1 · q2
Currency · newest study 2016 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i? Creating example-tracing tutors with CTAT was shown to be 4–8 times as cost-effective as estimates for ITS development from the literature. → Aleven 2016

Evidence¶

Aleven 2016¶

Aleven, V., McLaren, B. M., Sewall, J., van Velsen, M., Popescu, O., Demi, S., Ringenberg, M., & Koedinger, K. R. (2016). Example-Tracing Tutors: Intelligent Tutor Development for Non-programmers. International Artificial Intelligence in Education. https://doi.org/10.1007/s40593-015-0088-2

q2 · i? · review · r1

The article's abstract states "Creating example-tracing tutors was shown to be 4–8 times as cost-effective as estimates for ITS development from the literature". This is a comparative cost-effectiveness claim based on prior work.

"Creating example-tracing tutors was shown to be 4–8 times as cost-effective as estimates for ITS development from the literature."

Discussion¶

Related Claims¶

• Model-tracing/cognitive tutors and example-tracing tutors are the predominant ITS types designed with authoring tools, together accounting for almost 40% of included studies — related
• CTAT-built example-tracing tutors have been used by approximately 44,000 students and account for 40% of the data sets in DataShop. — related
• CTAT-built example-tracing tutors have been shown to be effective in helping students learn in real educational settings, often with large pre/post effect sizes. — related