Flipping the Classroom
What Is a Flipped Classroom?
In a traditional lecture, class time is spent delivering content — explaining concepts, walking through examples, presenting information — while the harder cognitive work (applying, analyzing, creating) is sent home as homework. Students then struggle with that harder work alone, without expert guidance.
A flipped classroom inverts this structure. Students encounter foundational content before class — through short videos, readings, or podcasts — and class time is reserved for active work: discussion, problem-solving, case studies, peer collaboration, and instructor feedback. The instructor's presence is used where it matters most: when students are genuinely grappling with ideas.
Why Flip? The Case Against the Traditional Lecture
The lecture is one of the oldest instructional formats in higher education, and for good reason — it's efficient at transmitting information to many people at once. But efficiency at transmission is not the same as effectiveness at learning. Several well-documented problems with the standard lecture model make a compelling case for change.
- Students are passive at the wrong moment. In a lecture, students receive new, complex information and try to absorb it in real time — a cognitively demanding task. They then go home to work through problems and applications alone, without support, often hours or days later. This is backward: the difficult work happens when help is least available.
- The pace is fixed — and wrong for almost everyone. A lecture moves at the instructor's pace. Students who need more time fall behind; those who grasp the concept quickly disengage. There is no rewind button, no way to re-hear an explanation, no opportunity to pause and think.
- Attendance and attention are uneven. Research on lecture attention spans suggests students' focus peaks early and declines significantly within 10–20 minutes. A 55-minute lecture delivered to a partially distracted audience is far less effective than it appears.
- Homework happens in isolation. When students get stuck on an assignment at 11pm, there is no one to help them. They either give up, look up an answer without understanding it, or develop a misconception that goes uncorrected.
The flipped model addresses each of these problems directly. Pre-class content can be paused, rewound, and reviewed as many times as needed. Class time becomes a supported practice environment where the instructor — and peers — are available exactly when students need them most.
Evidence That It Works
Research on flipped learning is consistently positive, particularly in STEM fields:
- A landmark 2014 meta-analysis in PNAS (Freeman et al.) found that active learning approaches — the kind enabled by flipping — reduced failure rates by 55% compared to traditional lectures.
- Studies in engineering, biology, and mathematics courses report higher exam scores, greater student satisfaction, and better long-term retention in flipped versus traditional sections.
- Students with the most to gain — those who would otherwise struggle — tend to benefit most, since pre-class content lets them control pacing and class time provides support exactly when they need it.
Getting Started: Five Steps to Flip Your Course
You do not need to flip every session or redesign your entire course at once. Many faculty begin by flipping a single difficult unit or a handful of class sessions. Here is a practical path forward.
Step 1: Identify What to Flip
Start with the sessions where students seem most lost or most disengaged. Ask yourself: What content could students reasonably engage with on their own before class? Good candidates are foundational concepts, definitions, worked examples, and background context — material that is better experienced at the student's own pace. Reserve the harder work — application, synthesis, debate, problem-solving — for class.
Step 2: Create or Curate Pre-Class Content
You have two main options here:
- Record short videos. Aim for 6–10 minutes maximum per video; research on instructional video engagement shows sharp drop-offs beyond 10–12 minutes. You can easily record a video by recording a Zoom meeting alone. Slide-narration videos are fine — you don't need production value, you need clarity.
- Curate existing content. YouTube, Khan Academy, TED-Ed, and discipline-specific repositories contain thousands of high-quality instructional videos. There is no rule requiring you to make your own.
Whichever you choose, keep it focused. One core idea per video or reading is ideal.
Step 3: Build In Accountability for Pre-Class Work
Students will not complete pre-class work without a reason to. Build in a low-stakes accountability mechanism:
- A short quiz (2–3 questions) due before class via Canvas or a Google form.
- A brief written reflection ("What's one thing you understood? What's one thing you're still unsure about?")
- An entrance ticket completed at the start of class
These serve double duty: they motivate completion and they give you real-time data on where students are struggling before you begin.
Step 4: Redesign Class Time
This is the heart of the flip. With content delivery moved out of the room, you now have time for students to do something. Plan at least one substantial active task for each class session. Good options include:
- Problem sets worked in small groups, with you circulating to give feedback
- Case study analysis and discussion
- Peer review of draft work
- Application of concepts to new scenarios
- Student questions and targeted mini-lectures based on what the pre-class quiz revealed
The instructor's role shifts from performer to coach — moving around the room, listening, probing, redirecting. This is harder than lecturing and often more rewarding.
Step 5: Be Transparent With Students — and Iterate
Tell students what you're doing and why. Explain that the research supports this approach, that you've heard the concerns about "teaching yourself," and that class time will be used to practice with support rather than to sit and listen. Some students will push back; transparency disarms most of it.
Then pay attention to what works. Use a mid-quarter survey to ask what's helping and what isn't. Adjust. Flipping your classroom is itself an iterative process — your first attempt will be better than nothing, and your third will be genuinely good.
Common Concerns (and Honest Answers)
"I don't have time to make videos." You don't have to. Curating existing content takes a fraction of the time. And once recordings exist, they can be reused across semesters.
"What if students don't do the pre-class work?" Some won't — just as some don't do traditional homework. The accountability mechanisms in Step 3 raise completion rates significantly. You can also design in-class tasks that are difficult to complete without preparation, which creates natural incentives.
"Won't I lose control of what students learn?" You curate or create the pre-class content, so you define exactly what students are exposed to. You have more control over the learning sequence than in a lecture, where you can only hope students are following along.
"Is this appropriate for my discipline?" Yes. Flipped approaches have been successfully implemented in the humanities, social sciences, professional fields, performing arts, and STEM. The specific activities differ by field, but the core logic — use class time for supported practice — applies universally.
A Note on Going Partial
A fully flipped classroom is not the only goal. Even a partially flipped course — one where a third of sessions use this model — frees up meaningful class time and gives students a better learning experience. Many faculty find that starting with 20–30% of sessions flipped in the first semester is both manageable and transformative enough to inspire going further.
Further Reading
- Bergmann, J. & Sams, A. (2012). Flip Your Classroom: Reach Every Student in Every Class Every Day. ISTE.
- Freeman et al. (2014). "Active learning increases student performance in science, engineering, and mathematics." PNAS.