Outcomes and Evidence

The Benefits of Open Education: A Study of Student Outcomes and Institutional Impact

How student results may add up to wider institutional impact over several years, and why attributing that impact to open education is difficult.

On this page
  1. From one student to a whole institution
  2. How effects might accumulate
  3. Why attribution is difficult
  4. A hypothetical illustration
  5. Approaches that help
  6. Reasonable expectations
  7. A careful summary

From one student to a whole institution

A single student’s result is a small data point. Across hundreds or thousands of students over several years, small differences can add up. If more learners pass a gateway course, for instance, more may reach later courses, which can affect staffing, timetabling, finances and the experience of those who follow. That chain is the idea behind institutional impact: the wider, slower effects that follow from what happens in classrooms.

This article looks at how that roll-up might work over time and why it is so hard to attribute any of it to open education specifically. Measures at a single point in time, and direct comparisons between institutions, are covered in neighboring articles; the emphasis here is time and accumulation.

How effects might accumulate

The following pathways are plausible, not demonstrated, and they depend heavily on circumstances.

Course level to program level. If students are less likely to withdraw from early courses, more may be available for later ones. Over several terms this might change progression through a program.

Cohort effects. A change in one year’s introductory course shapes the preparation of that cohort for later years. Effects, if any, can appear with a delay.

Faculty practice. Instructors who adapt open material may develop reusable resources, share them with colleagues and change how a department designs courses. That can compound as materials improve with each revision.

Cost and budget. Reduced spending by students is one effect; institutional costs of creating and maintaining material is another. The net balance may shift over the years as setup work gives way to routine maintenance.

Reputation and relationships. Sharing material publicly may lead to partnerships or recognition, although these are hard to quantify.

Why attribution is difficult

Attribution means assigning a change to a specific cause. Over several years it becomes harder, for reasons that tend to grow with time.

  1. Many things change. Over three or four years, leadership, funding, student demographics, entry requirements, teaching technology and external events all shift. Any of these might move the same measures that open education is supposed to affect.
  2. No clear counterfactual. You cannot observe the same institution in the same years without the program. Comparison institutions differ in many ways.
  3. Gradual rollout. When adoption spreads course by course, it is difficult to say when “the program” began, and early and late adopters differ.
  4. Delayed effects. Some outcomes, such as graduation or later employment, appear long after the intervention, by which time other influences have intervened.
  5. Cohort composition. A shift in who enrolls can mimic or mask an effect. If an institution begins to admit a different mix of students, outcome changes may reflect that.
  6. Measurement drift. Definitions, record systems and grading practices change, so a long series may not be consistent. Check that a trend is measured the same way throughout.

This is again the issue of correlation causation, magnified: the longer the period, the more chances for something else to explain the trend.

A hypothetical illustration

Suppose a college tracks the share of first-year students who are still enrolled two years later. Over five years the share moves from 62% to 68%, a rise of six percentage points. During the same period the college also introduces an advising scheme, changes its fee structure and begins to adopt open textbooks in several courses. The rise is real, but which change deserves credit? Perhaps all contributed, or perhaps one did most of the work, or perhaps the entry mix changed. Without a comparison group or a design that separates the changes, the data cannot say. The numbers are invented, but this is a common pattern.

Approaches that help

Staggered adoption. If courses or departments adopt at different times, comparing early and late adopters over time can help isolate effects, with attention to why timing differed.

Comparison groups tracked over the same years. Similar courses or institutions that did not adopt give a reference trend.

Cohort tracking. Following the same students rather than comparing snapshots avoids some composition problems.

Process evidence. Records of how widely and how well materials were used help link outcomes to the intervention. If a course adopted a resource but few students used it, an outcome change is unlikely to be about the resource.

Mixed methods. Interviews with staff and students can explain mechanisms and flag competing explanations.

Predeclared measures. Writing down what you will track at the start reduces the temptation to pick favorable results later.

Reasonable expectations

Institutions sometimes expect rapid, visible improvement from openness. The research and practice described here suggest more modest expectations. Cost-related benefits for students can often be seen early. Effects on progression, enrollment or reputation, if they exist, tend to be gradual, uneven across courses and mixed with other influences. Equity effects deserve specific checking, because averages may hide groups for whom little changed.

A careful summary

Student results can plausibly accumulate into wider institutional impact, but the path is long and crowded with other influences. Honest reporting identifies what was measured, over what period, against what comparison, and which other changes occurred. When you read that open education “transformed” an institution, treat it as a claim to examine, not a finding. Outcomes vary, and the most useful evidence usually comes from institutions that measured carefully from the start and were willing to report results that were mixed.

The complete guide to outcomes and evidence

The Benefits of Open Education: Why it Matters for Students and Institutions
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