Does Adding Output and Correction to a Reading Program Help?

By Beniko Mason

The assumption is natural: students are reading and acquiring language. Adding output tasks should consolidate that acquisition. Input and output together must be better than input alone.

This assumption underlies most language curricula. It is also, as far as the research shows, unproven.

What the Study Found

The study compared three groups of junior college students in Japan who engaged in extensive reading over three semesters. Each group completed a different type of follow-up task:

Why Writing after Reading Feels Necessary, but Does Not Lead to Language Development

This practice comes from a general view of learning: knowledge is strengthened through use and demonstration. In many subjects, writing shows understanding and reinforces learning. This idea was carried over into language teaching—students read, then use the language by writing about it.

There is also a practical reason. Writing produces something visible. Teachers can collect it, evaluate it, and assign grades.

However, from the perspective of language acquisition, the question is different. Writing may demonstrate what a learner can do, but it does not necessarily contribute to the development of fluent and accurate language use. As Stephen Krashen has argued, output (writing) does not develop writing competence—reading does. Writing serves a different function. Through writing, rewriting, and revising, it sharpens thinking rather than builds the underlying language system.

One reason writing does not lead to improvement in writing has been explained as avoidance behavior (e.g., Kleinmann). Learners tend to use structures and vocabulary they already control, while avoiding forms they are not yet ready to use. This pattern appears in both speaking and writing.

There is also a trade-off. Time spent on output activities is time not spent on input. If input is the source of acquisition, then reducing input reduces the opportunity for development.

Input is what drives acquisition.

Output does not build the underlying competence that makes fluent and accurate performance possible.

The Practical Question

Forced output—requiring learners to produce language before they are ready—does not support acquisition. Learners are at different stages of development. No two learners have the same vocabulary size or depth of word knowledge. Because of this variability, language cannot be effectively targeted for all students at the same time. Many are simply not ready to acquire the items that teachers or textbooks attempt to teach.

In contexts where class time is limited, prioritizing optimal input makes more sense. Language acquisition depends on the gradual development of an internal system through sustained, meaningful input. Until this system is sufficiently developed, output is unlikely to contribute in a meaningful way.

When learners have developed enough internal competence, output emerges naturally. At that point, it no longer depends on classroom practice.

The central question, then, is not how to balance input and output, but how to ensure that learners receive enough optimal input to make acquisition effective and efficient for everyone.

If you want to go deeper into the research behind this argument, it is all in my book: What If Input Is Enough?

Reference: Mason, B. (2004). The effect of adding supplementary writing to an extensive reading program, International Journal of Foreign Language Teaching, 1(1), 2–16.