Project-Based Learning Research Review | Edutopia

Those of you who attended Katie Morrow’s Boot Camp on Project Based Learning will enjoy this interesting article and the research supporting it. PBL is a great way to connect youth to the community and teach science inquiry.

Project-Based Learning Research Review | Edutopia

Project-Based Learning Research Review

By Edutopia Staff

Studies have proven that when implemented well, project-based learning (PBL) can increase retention of content and improve students’ attitudes towards learning, among other benefits. Edutopia’s PBL research review explores the vast body of research on the topic and helps make sense of the results. In this series of five articles, learn how researchers define project-based learning, review some of the possible learning outcomes, get our recommendations of evidence-based components for successful PBL, learn about best practices across disciplines, find tips for avoiding pitfalls when implementing PBL programs, and dig in to a comprehensive annotated bibliography with links to all the studies and reports cited in these pages.

Schools That Work:

Middle school science students work on a project with their teacher (left), and a boy identifies the parts of a fish before painting it to make a Japanese-style gyotaku print (right). Learn more about this school.

Credit: Grace Rubenstein

What is Project-Based Learning?

Project-based learning hails from a tradition of pedagogy which asserts that students learn best by experiencing and solving real-world problems. According to researchers (Barron & Darling-Hammond, 2008; Thomas, 2000), project-based learning essentially involves the following:

  • students learning knowledge to tackle realistic problems as they would be solved in the real world
  • increased student control over his or her learning
  • teachers serving as coaches and facilitators of inquiry and reflection
  • students (usually, but not always) working in pairs or groups

Teachers can create real-world problem-solving situations by designing questions and tasks that correspond to two different frameworks of inquiry-based teaching: Problem-based learning, which tackles a problem but doesn’t necessarily include a student project, and project-based learning, which involves a complex task and some form of student presentation, and/or creating an actual product or artifact.

These inquiry-based teaching methods engage students in creating, questioning, and revising knowledge, while developing their skills in critical thinking, collaboration, communication, reasoning, synthesis, and resilience (Barron & Darling-Hammond, 2008). Although these methods of inquiry-based teaching differ slightly, for simplicity they’re combined in these pages and referred to as project-based learning or PBL.

Learning Outcomes

Studies comparing learning outcomes for students taught via project-based learning versus traditional instruction show that when implemented well, PBL increases long-term retention of content, helps students perform as well as or better than traditional learners in high-stakes tests, improves problem-solving and collaboration skills, and improves students’ attitudes towards learning (Strobel & van Barneveld, 2009; Walker & Leary, 2009). PBL can also provide an effective model for whole-school reform (National Clearinghouse for Comprehensive School Reform, 2004; Newmann & Wehlage, 1995).

Keys to Project-Based Learning Success

Researchers have identified several components that are critical to successful PBL (Barron & Darling-Hammond, 2008; Ertmer & Simons, 2005; Mergendoller & Thomas, 2005; Hung, 2008). While project-based learning has been criticized in the past for not being rigorous enough, the following features will greatly improve the chances of a project’s success:

  1. A realistic problem or project
    • aligns with students’ skills and interests
    • requires learning clearly defined content and skills (e.g. using rubrics, or exemplars from local professionals and students)
  2. Structured group work
    • groups of three to four students, with diverse skill levels and interdependent roles
    • team rewards
    • individual accountability, based on student growth
  3. Multi-faceted assessment
    • multiple opportunities for students to receive feedback and revise their work (e.g., benchmarks, reflective activities)
    • multiple learning outcomes (e.g., problem-solving, content, collaboration)
    • presentations that encourage participation and signal social value (e.g. exhibitions, portfolios, performances, reports)
  4. Participation in a professional learning network
    • collaborating and reflecting upon PBL experiences in the classroom with colleagues
    • courses in inquiry-based teaching methods

You will find much greater detail on these four key components, along with step-by-step instructions on how to put them into place, in the next section.

Continue to the next section of the PBL research review, Evidence-Based Components of Success.

Thanks to Vanessa Vega for her vision and stewardship of the research reviews on

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