Eligibility criteria

For babies ages 5 to 11 months with hearing loss who reside in the US or Canada. Each participant can only participate in this study once.

Duration 10-15 minutes (only 4 minutes with your baby)

Within a week after you participate in this study, we will email you a $5 Amazon gift card which you can redeem at amazon.com. To be eligible for the gift card: 1) your child must be in the age range for this study, 2) you need to submit a valid consent statement, and 3) we need to see that the child participating is with you. You and your child do not need to finish the whole study to receive the gift card; however, if this is the case, please let the researchers know so that you can receive your compensation.

What happens

Prior to beginning the study, parents will first be asked some questions about your baby's hearing and language experiences. During the study, your baby will see two sets of circles on the screen – one on the left and one on the right. The circles will appear and disappear, with the number of circles on one side changing and the number of circles on the other side always staying the same. Your baby will then see colored squares appearing and disappearing.

What we're studying

In this study we are going to learn more about your baby’s sense of numbers. Imagine you are trying to find a parking spot in a crowded lot. After looking to the left, then to the right, you instinctually know that one side has fewer cars without even counting. This ability is actually thought to be the foundation to counting and learning about numbers. We know babies also have this ability, and this study will help us learn whether early language experiences shape this.

This study is conducted by Sara Cordes (contact: bccognition@bc.edu)

Would you like to participate in this study?

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