The evidence base
The Evidence Base for Drama in Education
Common Room is a product decision, not a research claim. But the decision rests on a body of peer-reviewed work on drama-based pedagogy. This page summarises what that work actually says — findings, effect sizes, and the honest limits — so you can judge it for yourself.
What the research covers
"Drama-based pedagogy" is the umbrella term for a family of classroom methods that put students on their feet — role play, tableaux, structured improvisation, process drama, short interactive routines. It is not the same as staging a play. The research field is roughly forty years old and has produced two large meta-analyses that pool most of the credible studies.
Headline findings from two meta-analyses
| Meta-analysis | Studies pooled | Reported effect (g) |
|---|---|---|
| Lee, Patall, Cawthon & Steingut (2015) | 47 | ~0.35 average across achievement outcomes |
| Lee, Enciso & Brown (2020) | 42 | ~0.44 on achievement; comparable on 21st-century skills |
For context: in education research an effect size (Hedges's g) of 0.20 is usually treated as small, 0.50 as moderate, and 0.80 as large. The averages above sit in the small-to-moderate band, which — for a low-cost, low-training intervention — is a strong result. Hattie's widely cited synthesis of educational interventions puts the average effect of typical classroom interventions at around 0.40.
The two conditions that matter for teachers
1. Teacher-led beats specialist-led
Both meta-analyses report larger effects when the regular classroom teacher delivers the activities than when a visiting teaching artist does. The plausible reason is relational: the teacher already knows the group, the routines and the subject content. You do not need drama training to run this work; you need a short, well-designed activity and the room you already stand in.
2. Short and repeated beats long and intensive
The 2020 analysis found the largest effects at three to ten total hours of cumulative use, with diminishing returns beyond twenty. This maps to short routines used across many lessons, not to workshops or units. The 2015 analysis adds that effects were strongest when the activity was integrated into an existing subject rather than delivered as a standalone add-on.
What the numbers don't say
Three honest caveats are worth stating clearly, because you will see these effect sizes quoted without them:
- Heterogeneity is high. The average effect masks wide variation between studies. Some interventions moved the needle a lot; some did nothing.
- Classroom measures move more than standardized ones. Effects were larger on researcher- or teacher-designed assessments than on state or standardized tests. This is best read as a lever on participation, engagement and specific skills, not as a route to higher standardized scores.
- Most studies are quasi-experimental. Randomised trials are rare in this literature. "Associated with" is a safer phrase than "causes."
What this means for implementation
We designed Common Room around the two conditions the research actually rewards: short routines that a regular teacher can run without training, and repetition across many lessons rather than one-off workshops. Every activity in the library is under fifteen minutes, requires no materials, and is sorted by classroom goal rather than by "type of drama." That is a product choice; the research is what made us confident it was the right one. For a practical example of what these routines look like in a normal lesson, see our guide on getting quiet students to talk.
References
- Lee, B. K., Patall, E. A., Cawthon, S. W., & Steingut, R. R. (2015). The effect of drama-based pedagogy on PreK–16 outcomes: A meta-analysis of research from 1985 to 2012. Review of Educational Research, 85(1), 3–49.
- Lee, B. K., Enciso, P., & Brown, M. R. (2020). The effect of drama-based pedagogy on academic and non-academic outcomes: A meta-analytic review of research from 1985 to 2019. Review of Educational Research, 90(3), 359–402.
- Hattie, J. (2009). Visible Learning: A Synthesis of Over 800 Meta-Analyses Relating to Achievement. Routledge.
Put it into practice