added IRB

README.md

@@ -1,6 +1,6 @@
 ### PhonSES
 
-This is a public corpus for the *PhonSES* study, in which we studied socioeconomic status (SES) effects on infants' word and sound processing.
+This is a public corpus for the *PhonSES* study, in which we aimed to study socioeconomic status (SES) effects on infants' word and sound processing. Data were collected under a study called "L'apprentissage des sons et mots chez les nourrissons", approved by the ethics committee CERES  (IRB 2015140001072, 2015/14, revised 2020).
 
 Preferred citation:
 Cristia, A. (2021). PhonSES: A pilot study to measure socioeconomic status association with infants' word and sound processing. https://gin.g-node.org/LAAC-LSCP/phonSES-public