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I Was Wrong About Mr. Tanaka

May 04, 2026

I Was Wrong About Mr. Tanaka

By Beniko Mason
A reflection on trusting input

Mr. Tanaka was a man in his forties who worked in a hospital radiology department in Osaka. He was also the father of one of my seven-year-old students. He never planned to become a research subject.

In 2009, he borrowed a graded reader from my personal library. He enjoyed it. That small experience led him to borrow books regularly for about six months. When he took the TOEIC, his score was 475.

He then began private Story-Listening (SL) and Guided Self-Selected Reading (GSSR) sessions with me. At the same time, he continued reading at home—about 100 pages a week, always books he enjoyed. He did no grammar study, no vocabulary memorization, and no conversation practice.

After twelve months, he had read 6,456 pages.

His TOEIC score rose from 475 to 655—a gain of 180 points in one year.

Then I gave him advice

I told him he was ready for something more.

I thought he no longer needed to listen to folktales or fairy tales. I believed he should now practice speaking—interact with a native speaker, work on output, and move to more "serious" materials.

So he did.

He took private conversation lessons. He read newspaper articles assigned by the teacher. He watched movies and answered comprehension questions. He was corrected when he made mistakes.

He followed this program for 16 months.

When he took the TOEIC again, his score was 650.

Five points lower than before.

What went wrong

Looking back now, the reasons are clear.

Mr. Tanaka did not need less input—he needed more of the right kind of input.

The new activities changed the nature of his learning:

  • He was pushed to speak before he was ready
  • Comprehension questions shifted his attention from understanding to performing
  • His reading dropped from 124 pages a week to fewer than 40

He left a program that was working and replaced it with one that looked more serious—but was less effective.

Mr. Tanaka himself said that his English had improved. He could understand documentaries and read texts he could not read before. The test score did not show everything.

But he also reached a clear conclusion:

Reading had been the cause of his progress.

He decided to return to it.

What I learned

At that time, I did not fully trust input.

We had not yet had a clear concept of optimal input—that not all comprehensible input is of equal value.

Now I understand more clearly:

Language develops when input is comprehensible, compelling, rich in language, and abundant—both within a session and over time. I describe this fully in What If Input Is Enough?

Mr. Tanaka did not need something new.

He needed more of what was already working.

If he had continued with Story-Listening—moving from folktales to short stories by writers such as O. Henry, Kate Chopin, or Akutagawa—and continued reading at the right level, his progress would almost certainly have continued.

Instead, input was replaced by activities:

  • forced output
  • correction
  • comprehension checks

These did not help. Some may have slowed him down.

A final thought

Mr. Tanaka's story did not end with a disappointing test score.

He chose to continue reading.

And his case reminds us of something important:

The hardest part of this approach is not applying it.

The hardest part is trusting it—especially when it feels too simple to be true.


Reference: Mason, B. (2021). When Progress Stops: The Continuing Saga of Mr. Tanaka. Language Issues, 1(3), 29–41.

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