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Home/Study/Research and Evidence

Research and Evidence

The University's teaching model follows published findings. This page sets out the principal sources, so that applicants may examine them rather than take our word.

What follows is a representative selection rather than an exhaustive review. Each entry states a finding, gives its effect where one was reported, and explains which part of the University's design rests on it. Citations are given in full.

Where the evidence is weaker, we say so. Where a claim rests on emerging rather than settled research, that is stated too.

1. Bloom's two-sigma problem

Effect: 2.0 SD

Bloom compared conventional classroom teaching, mastery learning in a classroom, and individual tuition combined with mastery learning. Students receiving individual tuition performed two standard deviations above the mean of conventionally taught students, placing the average tutored student above approximately 98 percent of the comparison group.

Bloom framed this as a problem rather than a solution: individual tuition cannot be resourced for every student. For four decades the finding stood without a practical answer. The University's platform is an attempt at one, and the mechanism Bloom identified — responsive individual instruction with immediate feedback — is what it sets out to reproduce.

Bloom, B. S. (1984). The 2 Sigma Problem. Educational Researcher, 13(6), 4–16. doi:10.3102/0013189X013006004

2. Intelligent tutoring compared with human tutoring

0.76 vs 0.79 SD

VanLehn compared human tutoring, intelligent tutoring systems and other methods of instruction. Step-level tutoring systems, which give feedback at each stage of a problem rather than only on the final answer, achieved an effect of 0.76 standard deviations against 0.79 for human tutoring. The difference was not statistically significant.

The finding matters because it locates the effect in the step-level interaction rather than in the presence of a person. The University's comprehension checks operate at that level: they engage with a student's reasoning rather than marking a final answer right or wrong.

VanLehn, K. (2011). The Relative Effectiveness of Human Tutoring, Intelligent Tutoring Systems, and Other Tutoring Systems. Educational Psychologist, 46(4), 197–221. doi:10.1080/00461520.2011.611369

3. Mastery learning

Consistent positive effect

Kulik, Kulik and Bangert-Drowns examined 108 controlled evaluations of mastery learning, in which students must demonstrate understanding of one unit before proceeding to the next. Effects on achievement were consistently positive, and strongest where corrective instruction was provided to students who did not initially demonstrate mastery.

The University's lessons follow this structure. A comprehension check must be passed before a lesson proceeds; where it is not, the material is revisited and the check attempted again. The gate is supportive rather than punitive, and there is no limit on attempts.

Kulik, C. L. C., Kulik, J. A., & Bangert-Drowns, R. L. (1990). Effectiveness of Mastery Learning Programs: A Meta-Analysis. Review of Educational Research, 60(2), 265–299. doi:10.3102/00346543060002265

4. Formative assessment

0.4 to 0.7 SD

Black and Wiliam reviewed more than 250 studies of assessment conducted during learning, for the purpose of improving it, rather than at its conclusion for the purpose of grading. Effects fell between 0.4 and 0.7 standard deviations, among the largest recorded for any educational intervention, and were largest for lower-attaining students.

Continuous comprehension credit is a direct application. Assessment is distributed through each lesson rather than concentrated at the end of a module, which is also what makes it possible for a student to discover a gap in understanding while there is still time to address it.

Black, P., & Wiliam, D. (1998). Assessment and Classroom Learning. Assessment in Education, 5(1), 7–74. doi:10.1080/0969595980050102

5. Adaptive learning systems

Significant positive effect

Wang and colleagues synthesized controlled studies of adaptive learning systems across school and higher education. Effects on achievement were significantly positive, and largest where systems gave personalized feedback, adapted the sequence of material to demonstrated performance, and remediated gaps as they appeared.

The authors noted that benefits were greatest for students who would otherwise lack access to individualized instruction. That is the population this University exists to serve.

Wang, T., Lund, B., Marengo, A., Pagano, A., Mannuru, N. R., Teel, Z. B., & Pange, J. (2024). AI-Based Adaptive Learning Systems: A Systematic Review and Meta-Analysis. Interactive Learning Environments. doi:10.1080/10494820.2024.2315099

6. Universal Design for Learning

37.4% improvement

Universal Design for Learning calls for multiple means of engagement, representation and expression. Originally developed to improve access for students with disabilities, it has been shown to improve outcomes across a whole student population where material is presented in several modes and students are given a choice in how they demonstrate understanding.

Three study formats and eight assessment methods are the University's implementation. The provision is universal rather than granted on application, which is the point: an adjustment a student must request is an adjustment many students never receive.

Buli-Holmberg, J., & Jeyaprathaban, S. (2025). Scientific Reports, 15, Art. 3042.

7. Rapid serial visual presentation and ADHD

Emerging evidence

Rapid serial visual presentation displays text one word at a time in a fixed position. Research in cognitive psychology and educational accessibility reports improved comprehension and reduced cognitive fatigue among readers with ADHD, attributed to the removal of saccadic eye movement and of the visual complexity of a full page.

This is the basis of the accelerated reading format. We note that the evidence here is more recent and less extensive than for the findings above, and we present it as promising rather than settled. Conventional page reading remains available to every student.

Documented across multiple studies of forced-focus reading interfaces and sustained attention in neurodivergent populations, 2024–2025.

Hold Us to the Evidence

We cite these findings so that they can be checked. If our practice departs from what they support, we would like to be told.