You and your partner have a child that is between 10 and 14 months old
Your child was not born very premature and his/her birth weight was 2500 gram or higher.
There were no severe health problems or complications during pregnancy and directly after the birth of your baby.
You and your partner speak both either fluently Dutch or both fluently English.
You, your partner and your child all live in the same household.
Your child and both parents are available at the same time for one house visit (either during the week or in the weekend).
Your child and one of the parents can participate in the lab visit during the week (Faculty Social Science University Leiden)