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Parental Communication Strategies for Language Development: What's Most Important?
Min Jung KwonShare
Today, we'll share some recent research that can help parents support their children's language development through conversations.
Professor Erica Hope is a professor who is truly famous for her research on children's language development and bilingualism.
In particular, this paper provides interesting insights into how parents' speaking styles (quantity or quality of language) influence their children's language development.

Erika Hoff, Fabio Trecca, Anders Højen, Brett Laursen, Dorthe Bleses. Context and education affect the quality of parents' speech to children. Journal of Applied Developmental Psychology, 2024; 91:101632 DOI: 10.1016/j.appdev.2024.101632
This study examines conversations between Danish parents and their 3- to 5-year-old children in three contexts: reading picture books together, recalling past experiences, and playing with Legos.
We analyzed three key factors that influence the quantity and quality of parental language used in conversations with their children:
1) Context of interaction (e.g., reading a book, playing with a toy, recalling a past story)
2) Parents' education level
3) Parents' gender
We assessed parents' 'speech quantity' and 'language quality' in various interaction contexts, with the 'speech quantity' and 'language quality' measured as follows:
quantity of language
Parental speaking volume was assessed by the number of parental utterances and the number of words used .
The frequency of utterances was measured in minutes as the number of utterances parents made while interacting with their children.
quality of language
Language quality was assessed based on three main indicators:
1) Number of word types : We measured the diversity of the vocabulary by the number of unique words used.
2) Average length of utterances : We measured sentence complexity through the average number of words used per utterance.
3) Labeling Frequency : This refers to the frequency with which specific words, such as nouns or verbs, are used to describe objects or events. For example, if a child says, "The bear is sleeping," a parent might respond, "The bear is sleeping," encouraging the child to use specific names .
All of the indicators of parental language quality discussed here are positively associated with children's language development! The more parents use a diverse vocabulary and construct grammatically complex sentences, the more their children will be exposed to a wider range of complex language.
Measuring the quality of interaction
The study also assessed nine types of utterances to measure the quality of parent-child interactions: directive utterances, questions, recall of past experiences, repetition of child utterances, and extension of utterances.
While speech patterns such as questions and recollections can contribute to positive language development by encouraging children to expand their thinking and engage verbally, overly directive speech patterns can often have a negative impact on language development.

Summary of Research Results
Effects of interaction context
Book-reading sessions and reminiscing conversations resulted in richer and more varied vocabulary and higher quality of interaction, particularly higher vocabulary variety and question frequency .
In book reading, parents used more utterances and a more varied vocabulary, whereas in reminiscence conversations, parents used grammatically complex utterances and asked more questions.
This study demonstrates that reminiscent conversations can provide children with high-quality language experiences .
The influence of parental education level
Parents' education level influenced the quality rather than the quantity of speech .
Parents with higher education levels tended to name objects and events more frequently and use more grammatically complex utterances .
The Relationship Between Parental Education Level and Past Reminiscence
It is also noteworthy that aspects that were not visible in the book were seen in the flashback conversations.
In the reminiscence activity, differences in language quality were more pronounced depending on the parents' level of education. In reminiscence conversations, parents with higher education tended to expand and repeat their children's words more frequently.
The influence of parental gender
The study results showed no significant difference in the speech quality of mothers and fathers.
It shows that rich verbal interaction can have a positive effect on children, regardless of parental gender .
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Today, we explored how the quantity and quality of parents' language can impact a child's language development. In particular, stories about past experiences can provide children with a rich variety of language stimulation, both in quantity and quality, even without special techniques . Therefore, I think it would be incredibly helpful if you tell them stories frequently. :)
Small actions that we do on a daily basis can be of great help to our children's language development.
What are your experiences? If you have any particularly effective strategies for communicating with your child, please share them in the comments!
