Introduction: What Are Trends and Why Are They Important for PISA? PISA OECD NAEP DIF
Author(s):
von Davier, Matthias
Publication Year:
2013
Source:
Prenzel, Manfred; Kobarg, Mareike; Schops, Katrin; Ronnebeck, Silke (eds.) Research on PISA: Research Outcomes of the PISA Research Conference 2009. Dordrecht: Springer, 2013, p160-164