Blended learning · Programme evaluation
A blended degree halved classroom time and exam results barely moved
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Short answer
Cutting scheduled face-to-face time roughly in half produced essentially no average difference in exam performance across a four-year programme comparison.
What happened
Müller, Mildenberger and Steingruber compared 2,822 exam results from a FLEX blended business Bachelor's programme with 11,638 from the part-time programme between 2015 and 2019. The overall effect size was close to zero. Significant differences showed up in only a minority of courses, and those went in both directions.
Why it matters
Blended-learning research is dominated by single-course experiments. Comparing a whole programme across 133 courses and four years is what makes the near-null informative: it is not one instructor's course, and the courses that did differ point at design factors rather than at the format itself.
Evidence
- Study type
- Observational comparison of exam results across two programme formats
- Sample
- 2,822 FLEX and 11,638 part-time exam results across 133 courses, 2015–2019
- Journal
- International Journal of Educational Technology in Higher Education · peer reviewed
- Replication
- Not assessed in this corpus; directionally consistent with lecture-format comparisons from other institutions
- Limitations
- Students self-selected into FLEX, so the groups may differ in ways exams do not reveal. One Swiss business programme. Equivalent exam scores are not equivalent outcomes.
What this connects to
Sources
The 2 studies this explanation is built from, by the role each plays. Every source links to PaperFren’s explanation of it and to the original paper.
Primary study
- Does half the classroom time hurt flexible learners?
A flexible blended business programme with about half the on-site time showed essentially equivalent exam performance to part-time peers.
What it does not showLimitations
Equivalence on exams is not proof of identical soft-skill or long-term career outcomes. The study is situated in one Swiss business programme and self-selection into FLEX may differ from random assignment.
PaperFren explanationStudy with cards and a quizOriginal paper (DOI)cc by
Supporting evidence
- How does choosing to attend lectures online or in person affect grades?
Choosing to watch lecture recordings instead of attending in person has almost no impact on students' final exam grades, provided they stick to a consistent study routine.
What it does not showLimitations
Because students were allowed to select their own attendance methods rather than being randomly assigned, the study cannot establish a direct causal link between attendance choices and exam scores. Additionally, because the data comes from a single highly competitive technical university with a unique system where exams occur weeks or months after courses end, these trends might not apply to other university settings or humanities courses. The research also cannot measure the long-term impacts of online learning on soft skills, group socialization, and overall campus culture, which are not captured by exam grades.
PaperFren explanationStudy with cards and a quizOriginal paper (DOI)cc by
Before
Contact hours were treated as a rough proxy for learning, and large reductions were expected to cost measurable performance.
Now
On exam performance, the average cost was close to zero — though students chose their format rather than being randomised, and exams do not capture soft skills or later careers. The interesting question moves to why particular courses differed.