MacArthur-Bates Web-CDI Spanish Access
Communication and Language

To facilitate digital use of the MacArthur-Bates Communicative Development Inventories (CDIs), use Web-CDI, an online administration and management website. Spanish Access offers digital access to the Spanish Inventario I: Primeras Palabras y Gestos and Inventario II: Palabras y Enunciados Forms.

57808 978-1-68125-780-8
Available Stock

The MacArthur-Bates Communicative Development Inventories (CDIs) are some of the most widely used and recommended measures of language and communication for young children.

Web-CDI is an online administration website for the CDIs. With Web-CDI, the professional can set up children, send links to parents and caregivers to complete the assigned measure, and track progress. The parent/caregiver completes the measure on a laptop or tablet with internet connection. Upon completion, the professional can download the data and results.   

Web-CDI Spanish Access includes access to online administration of the

  • Inventario I: Primeras Palabras y Gestos Form
  • Inventario II: Palabras y Enunciados Form

Developed by a team of leading researchers at Stanford University, Web-CDI makes it quicker to share CDIs with parents and caregivers and lets them completes the forms digitally.

Accessing Web-CDI

Once your purchase has been processed, you will receive an email with an access code. Please be sure to check your Junk/Spam folder. Follow the directions attached to the email to register for a Web-CDI account at and input your code.

The access code will activate your account for one year.

Customers should purchase one access code for each professional, alongside the MacArthur-Bates Communicative Development Inventories User's Guide and Technical Manual, Third Edition for useful information about the development and use of CDI.

Learn more about the MacArthur-Bates CDIs, Third Edition here.


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