Specification tests for conditional heteroskedasticity that are derived under the assumption that the density of the innovation is Gaussian may not be powerful in light of the recent empirical results that the density is not Gaussian. We obtain specification tests for conditional...

In this book, we review many examples of multimedia item types for testing. We also outline how games can be used to test physics concepts — discuss designing chemistry item types with interactive graphics; study how culture-specific linguistics can help inner-city kids and new immigrants...