Studies Say Students Learn More from Licensed Teachers Share Close Share Why is Facebook not here? Why is Twitter not here? Share on LinkedIn Share on Google Plus Permalink Email September 18, 2002 Author: Debra Viadero Source: Education Week Research by David C. Berliner and Linda Darling-Hammond on whether certified teachers are more effective is cited in Education Week. NEPC Legacy Resource Document Expand Download Print Share Share PDF: Why is Facebook not here? Why is Twitter not here? Share on LinkedIn Share on Google Plus Email Download or Print Permalink Copy Link Embed PDF: Copy Embed Code