With the CDIs , professionals tap into parents day?to?day knowledge about their children's language and communication skills. This User's Guide and Technical Manual provides complete instructions, technical reports, norms up to 18 months for the CDI
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With the CDIs , professionals tap into parents day?to?day knowledge about their children's language and communication skills. This User's Guide and Technical Manual provides complete instructions, technical reports, norms up to 18 months for the CDI
Read Less