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The Secret to English Literacy: Why Parental Interaction Matters More Than Books
Min Jung KwonShare
For parents concerned about their child’s bilingual or multilingual development, one of the most common methods practiced is "reading books".
Many parents provide ample exposure to English books and read them consistently, expecting that language skills will grow naturally.
However, a recent study has revealed a slightly different, yet crucial, fact. What is the truly vital factor in developing a child’s English literacy?

"Will buying many English books help?"
"Will showing many English videos lead to natural acquisition?"
Many parents work hard to prepare the right environment for their child’s English. While that effort is very important, a recently published study on multilingualism shows a significant finding.
What determines a child’s English development is not just the "environment," but "interaction".
1. More Important Than the English Environment: How Parents Participate
In a study analyzing 523 multilingual households, the following results were confirmed:
Parental Involvement ↔ English Proficiency: r = .54
Resource Accessibility ↔ English Proficiency: r = .42
In other words, children's language developed better in homes where parents interacted actively than in homes that simply had many English books.
This result delivers a very important message: "How you use resources together" is more important than "what you provide".
2. Why is "Interaction" More Important?
This study explains this based on Vygotsky’s sociocultural theory. A child’s language develops through the following processes:

- Listening to questions and thinking.
- Attempting to answer.
- Receiving feedback from parents.
- Expanding the language again.
Through this repetition, the child’s language and thinking grow together. Language development is not just simple exposure; it is a "process created within a relationship".
3. The Difference Between "Reading To" and "Reading With"
Many parents use books in this way:
- The parent reads from start to finish.
- The child listens.
While this is helpful, the study found that the following method is more effective:

1) Ask questions.
2) Wait for the child’s response.
3) Expand on what the child says.
This difference significantly changes the speed of a child’s language development.
4. The Greatest Strength of Multilingual Households
Many parents worry: "Should I only use English?" or "Will using my native language interfere?" However, the research results are clear:
- Translation.
- Code-switching (mixing languages).
- Explanations in the mother tongue.
All of these appeared as "key strategies" to help a child's comprehension.
For example, saying "He is frustrated. 속상해서(Soksang-haeseo) 이렇게 하는 거야(ireoke haneun geoya)" connects two languages simultaneously and makes the child’s understanding much deeper.
5. A Major Misconception
Many parents think, "I can't teach because my English isn't good enough". But this study says the opposite. What is more important than perfect English is:
- Showing interest in the child's reaction.
- Continuing the conversation.
- Connecting meaning.
To summarize the findings of this study:
- An English environment is important but not sufficient.
- Parental interaction is the key.
- A multilingual environment is an asset, not a weakness.
Think about your time with your child right now:
- Are you asking the child questions?
- Or are you only providing explanations?
- Are you giving the child a chance to speak?
It turns out that these small differences are what build a child's language.
In the next post, we will cover "So, how exactly should parents speak?" in more detail (click here)