Amsterdam Born Children and their Development
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Welcome to the website of the ABCD study: the long-term cohort study which examines the health of 8,000 children of different ethnic backgrounds, all born in Amsterdam.

On this website you can find our latest news, general information, details about the study, specific information for our participants, as well as information about the different research areas and our collaboration with other people and institutes.

For any questions or comments, or if you would like to receive our yearly newsletter, please do not hestitate to contact us.

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Do you have any questions regarding the questionnaires?
Please check the Frequently Asked Questions!

New measurement point (phase 4)

The new data collection within the ABCD-study has started. This will be phase 4. In comparison to phase 3 some things have changed: for the moment, collection will only focus on questionnaires and some cognitive tasks on the computer. For the first time the ABCD children will be asked to fill out a questionnaire themselves. Moreover mothers, fathers and teachers will be asked to fill out a questionnaire. The ABCD study follows the current trends and therefore the questionnaires for this phase can be completed online, however paper questionnaires can be requested by contacting the ABCD- study.

In phase 4 we will work with the ADAPT group of the developmental psychology department of the University of Amsterdam and with IRAS . Finally, we will cooperate with the Sarphati Institute to conduct more research on obesity and its consequences at a young age.

More information about phase 4 can be found at the homepage of phase 4 or in the flyers, which are available online in Dutch, English and Turkish. For question and/or remarks, please do not hesitate to contact us through our contactform or through our contact details below.