RCT(s) without
Heffernan Authorship

Published or pending work without Neil Heffernan as an author, 

conducted using E-TRIALS or its predecessor, the ASSISTments Testbed

Published Full/Short Papers // 17

ASSISTments closes achievement gaps (between lower and higher achieving students)

Using ASSISTments to study spatial features in mathematical expressions

Comparing hints to step-by-step scaffolding questions, solutions, and worked examples

Comparing the difficulty of different problem types

Comparing the format of difference problem types

Comparing different instructional approaches

New Economics Journal uses ETRIALS 

Transferability of Findings on Student Supports for College Students

Game-based learning vs. Immediate Feedback vs. No Feedback

Fractions Study

Posters/Workshops/Etc // 6

  • Nasiar, N., Baker, R.S., Li, J., Gong, W. (2022). How do A/B Testing and Secondary Data Analysis on AIED Systems Influence Future Research?. In: Rodrigo, M.M., Matsuda, N., Cristea, A.I., Dimitrova, V. (eds) Artificial Intelligence in Education. AIED 2022. Lecture Notes in Computer Science, vol 13355. Springer, Cham. https://doi.org/10.1007/978-3-031-11644-5_10

Under Review // 5

In Preparation // 3

Studies going on in the E-TRIALS Platform

Support Comparison Studies

Problem Varied Studies