The ECHO Listening profile has undergone rigorous statistical analysis in content validity, construct validity, and criterion-oriented validity, and we stay committed to ongoing testing so the assessment is always up-to-date.
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Mailing Address: 2525 Arapahoe Ave. Suite E4-420 Boulder, CO 80302 303-748-7325
Office Address: 3513 Brighton Blvd. Suite 463 Denver, CO 80216 303-748-7325