Regardless of the number of people in the room, monologue (be it a motivational speech or a father lecturing the kids) works with a learning unit of one. That’s one person listening, considering, interpreting, deciding alone (even though she may be surrounded by a thousand other learning units). That’s a desktop PC with a dialup connection.

An effective Learning Group creates synergy—where the whole is greater than the sum of the parts—by working with learning units of five or six or eight. That’s five people processing the input in parallel; it’s a supercomputer with a T3 line.

Group Learning works by leveraging the power of multiple minds to understand and apply information and experience. Say eight people hear a passage read out loud or watch a video together. If the passage goes on more than a few seconds, if it includes visual elements, if the environment is noisy, if there’s anything especially engaging about the passage, it’s a pretty sure bet that everyone will miss something.

But it’s also a pretty sure bet that together, the group won’t miss anything, because groups naturally pay overlapping attention to what’s going on.

What we’re building here is a learner-centered environment—as distinct from teacher-centered or content-centered—and Rule One in the learner-centered environment is: People don’t get what they’re supposed to get—people get what they’re prepared to get. Natural intelligence affects learning. Fatigue affects learning. Blood sugar affects learning. State of mind, point of view, vocabulary, personal history, prior knowledge and crabbiness all affect learning. The learning unit of eight has a fighting chance at overcoming these obstacles by sheer force of redundancy. It’s a beautiful thing.

It’s the same dynamic that makes a really good 360 degree evaluation work (or a classic biography or a comprehensive police investigation). When we examine a subject from many overlapping points of view, we get a clearer picture than any of us gets alone.

So that’s the first part: If it’s reasonably healthy, group perception is superior to individual perception.

The second part blends group perceptions into group learning through a simple process we like to call The Three Best Questions…Ever.