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Large-scale Assessments in Education

An IERI – International Educational Research Institute Journal

Fig. 4 | Large-scale Assessments in Education

Fig. 4

From: Comparing the score interpretation across modes in PISA: an investigation of how item facets affect difficulty

Fig. 4

Mean item difficulty for each item facet category by mode for all items and for mode invariant items in science (Context 1 categories: 1 = Personal; 2 = Local/national; 3 = Global; Context 2 categories: 1 = Health and disease; 2 = Natural resources; 3 = Frontiers; 4 = Hazards; 5 = Environmental quality; Competency categories: 1 = Interpret data and evidence scientifically; 2 = Evaluate and design scientific enquiry; 3 = Explain phenomena scientifically; Knowledge categories: 1 = Procedural; 2 = Content; 3 = Epistemic; System categories: 1 = Living; 2 = Earth and space; 3 = Physical; Depth of knowledge categories: 1 = Low; 2 = Medium; 3 = High)

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