Studies such as PISA are routinely criticized by educational commentators—particularly when the results are not consistent with their preconceived ideas about the relative merits and efficiencies of various educational practices and systems. This chapter discusses what is done to ameliorate the threats to the validity of PISA in five areas often targeted by commentators and reviewers as sources of invalidity in international comparisons. The five areas are: Sampling, Item selection, Translation, Implementation fidelity, and Motivational issues.
Details
Type Book ChapterPub Date 5/1/2009Stock # PB230X_4