Why Thinking Out Loud Could Help You Become a More Effective Practicer & Problem-Solver
By Noa Kageyama, Ph.D.
I once studied with a teacher who had this amusing habit of talking out loud to himself. Essentially offering a running play-by-play of whatever he was doing at the moment, whether he was sharpening a pencil, typing an email, or packing the trunk of a car.
I thought it was a personal quirk, but as the years have gone by, I’ve caught myself talking out loud on occasion.
Or is there something about talking out loud that is actually productive and helpful when it comes to solving problems we might face in the practice room?
Thinking out loud
A variety of studies, dating back as far as the early 60’s (like this one), have found thinking aloud to enhance problem-solving, learning, and our ability to transfer learning from one task to another.
It’s been suggested that verbalizing our thoughts forces us to slow down, stop, and think through the important elements of the task or problem in front of us more carefully, deliberately, and consciously. It induces us to zoom out and adopt a big-picture view of the problem where we can focus more on our problem-solving process.
Umm…so what does that really mean, and what exactly are we supposed to say when we talk out loud to ourselves? Simply narrate what we’re doing as we do it? Give ourselves some encouragement when the going gets tough? Verbalize whatever thoughts pop into our heads, whether it’s relevant or not?
Five different approaches
A group of researchers put together a series of studies to test several such strategies in hopes of better understanding how to maximize the “talking-aloud effect.“
109 participants were tasked with solving different variations of the Tower of Hanoi puzzle (try it yourself right here) in the fewest number of moves, before being given a final test on the most challenging variation (to see how effectively they could transfer what they’ve learned to a new problem).
Participants were randomly assigned to one of five groups, each of which was designed to test a different kind of thinking aloud.
Before each move, the “metacognitive” group was asked to answer questions like “How are you deciding which disk to move next?” or “How do you know that this is a good move?” The idea was to get them to adopt a higher-level process focus, by thinking about what they were doing (consciously monitoring performance) and how they were doing – i.e. whether the move was a good one or not (evaluating success/failure/effectiveness).
The “if-then” group’s instructions were a little more rigidly structured, but similarly intended to get them focused on the problem-solving process: “Before each move, I want you to tell me where you are going to move each disk, and why. Specifically, I want you to state this in an ‘if-then’ statement, for example, ‘if I move this disk to this peg, then this will happen’.”
The “problem-focused” group was asked to answer questions like “What is the goal of the problem?” or “What are the rules of the problem?” before each move. The idea was to give them some structure, but not at the higher process level of the other two groups.
The “think-aloud” control group was given no real structure to guide their thinking, but simply told to “think out loud while you are solving this problem. Try to keep talking as much as you can so that I can hear what you are thinking about as you solve the problem.”
The “silent” control group was given no additional instructions beyond the standard instructions for the puzzle, so did no verbalizing of their thoughts.
So how did the groups do?
The researchers evaluated groups’ effectiveness by counting how many excess moves the participants made. In other words, each variation of the puzzle can be solved in a certain number of moves, so any moves above and beyond the minimum number of moves needed to solve the puzzle were considered “error” or mistake moves.
On average, the control groups (silent and think-aloud) made more mistakes than the two process-focused (metacognitive and if-then) groups. This was true for every variation of the puzzle during the practice trials – from the easiest 2-disk version to the more complex 5-disk version.
Then, when the participants were tested on their ability to solve the most challenging 6-disk puzzle (to see how effectively they could transfer what they learned from the practice puzzles), the control groups made an average of 2.5 error moves for every correct move vs. just 1 error move for the process-focused groups.
The problem-focused group fared somewhere in the middle. Better than the control groups, but not as good as the process-focused groups.
What does it all mean?
The data yielded a number of interesting findings, but the researchers made two observations that may be of particular interest to musicians.
1. Unless we are guided, we tend not to focus on or engage in process-level thinking. It’s more natural for us to simply play, stop, and repeat, until the problem seems to have been solved. Except that in “solving” problems on this implicit level, while we may get the job done in the short term, we make more mistakes during the process, we don’t actually know what the solution is, and therefore can’t apply it very effectively to future problems that we might encounter.
2. When, on the other hand, we focus on what we are doing and why we are doing it (whether we are verbalizing these out loud or not), we can not only solve problems more efficiently, but transfer those solution to similar new problems we might encounter later.
All in all, this means less wasted time trying to solve problems, and more time left to work on more interesting problems, or maybe even enjoy a bit of extra time outside of the practice room.
Try the Tower of Hanoi puzzle again, using the different strategies. How does this change the problem-solving experience?
Then, pick up your instrument and try thinking out loud (or have a student talk aloud) while trying to solve a problem. How does this change things?
It feels ridiculous at first, but after a little while, talking to yourself doesn’t seem so weird, right?
Apparently, the think-aloud strategy is commonly utilized by teachers. Learn more about how and why here: Think Aloud Strategy @TeacherVision
Performance psychologist and Juilliard alumnus & faculty member Noa Kageyama teaches musicians how to beat performance anxiety and play their best under pressure through live classes, coachings, and an online home-study course. Based in NYC, he is married to a terrific pianist, has two hilarious kids, and is a wee bit obsessed with technology and all things Apple.
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