Special Resource Material Developed by the Center
Title: Data on the Plateau or Leveling Off Effect of Achievement Test Scores (Info Sheet)
Description: As schools strive valiantly to meet the accountability demands of the No Child Left Behind Act, reports from across the country indicate modest immediate test increases followed by a longer-term plateau effect. Available evidence suggests that prevailing strategies for increasing achievement test scores generate score inflation for the first few years then test averages level off.Access at: http://smhp.psych.ucla.edu/pdfdocs/plateau.pdf 42kb, 2pp
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