How to Read the LENA Grow Child Report

1. Average Hourly Adult Words

• Each vertical bar shows the average number of adult words the child heard per hour on a given day.
• The darker vertical bar is the day that is broken out into hourly data on the right.
• The light horizontal band is the typical range in a classroom for children this age, and the dark band is the average in a home language environment.

2. Average Hourly Conversational Turns

• Each vertical bar indicates the average number of conversational turns the child experienced per hour on a given day.
• The darker vertical bar is the day that is broken out into hourly data on the right.
• The light horizontal band is the typical range in a classroom of children this age, and the dark band is the average in a home language environment.

3. Average Hourly Child Vocalizations

• Each vertical bar indicates the average number of vocalizations the child produced per hour on a given day.
  • A vocalization is a continuous chunk of speech or speech-related sounds. Depending on the child's age, a vocalization could be a sentence, phrase, word, babble, or coo.
• The darker vertical bar is the day that is broken out into hourly data on the right.
• The light horizontal band is the typical range in a classroom for children this age, and the dark band is the average in a home language environment.

4. Hourly Adult Words

• Each bar shows the number of adult words spoken to or near the child in that hour of the highlighted day.

5. Hourly Conversational Turns

• Each bar shows the number of conversational turns the child experienced in that hour of the highlighted day.

6. Hourly Child Vocalizations

• Each bar shows the number of vocalizations the child produced in that hour of the highlighted day.