In dealing with wicked problems, policymakers increasingly are confronted with three competing 'knowledge claims': the notion of evidence-based policy, alternative 'commons knowledge' created by citizens, and 'fact-free' politics. Consequently, the knowledge base for dealing with wicked problems is becoming increasingly contested. This paper…

Although data-based decision making can lead to improved student achievement, data are often not used effectively in schools. This paper therefore focuses on conditions for effective data use. We studied the extent to which school organizational characteristics, data characteristics, user characteristics, and collaboration influenced data use for…