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​​​The NIH Toolbox team is committed to being responsive to requests for information about NIH Toolbox. 

Inquiries are answered Monday-Friday, 10 a.m.-5 p.m. Central Time, except holidays. We will do our best to respond within 3 business days. 

If you already have access to the NIH Toolbox measures and need additional assistance, contact us by email at help@assessmentcenter.net

As of January 2016 www.assessmentcenter.net is no longer available for new NIH Toolbox studies.

If you still need to request access to the web based version for an existing study, please fill out the Contact Us form on  www.assessmentcenter.net. 

  • Choose the Access option on the Contact Us form

  • List the instrument you need

  • Indicate the reason for your request

Your request will be reviewed and you will be notified if further information is needed.

 

For other general inquiries, please contact us by email and provide full details in your request. 
 nihtoolbox-info@northwestern.edu