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ICCS 2009 Technical Report - IEA

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Table 12.50: Reliabilities for scale reflecting students’ self-reported knowledge about the European UnionCountryStudent’s KnowledgeAustria 0.73Belgium (Flemish) 0.80Bulgaria 0.78Cyprus 0.70Czech Republic 0.76Denmark 0.81England 0.81Estonia 0.74Finland 0.79Greece 0.72Ireland 0.79Italy 0.74Latvia 0.72Liechtenstein 0.78Lithuania 0.71Luxembourg 0.79Malta 0.75Netherlands 0.75Poland 0.79Slovak Republic 0.76Slovenia 0.75Spain 0.76Sweden 0.84Switzerland 0.79<strong>ICCS</strong> average 0.78Table 12.51: Item parameters for scale reflecting students’ self-reported knowledge about the European UnionScale or Item Question/Item Wording Delta Tau(1) Tau(2) Tau(3)Students’ How much do you know about the following topics?KnowledgeES2P13A Facts about the European Union 0.21 -2.93 0.44 2.50ES2P13B Laws and policies of the European Union 0.82 -3.02 0.49 2.54ES2P13C Institutions of the European Union (e.g. European Parliament) 1.10 -2.63 0.52 2.10ES2P13D The euro (the currency of some European Union countries) -1.06 -2.30 -0.05 2.35240<strong>ICCS</strong> <strong>2009</strong> technical report

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