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Large-scale Assessments in Education

An IERI – International Educational Research Institute Journal

Fig. 2 | Large-scale Assessments in Education

Fig. 2

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

Fig. 2

Mean item difficulty for each item facet category by mode for all items and for mode invariant items in mathematics (Content Categories: 1 = Space and shape; 2 = Quantity; 3 = Change and relationships; 4 = Uncertainty and data; Situation and Context Categories: 1 = Personal; 2 = Scientific; 3 = Societal; 4 = Occupational; Process Categories: 1 = Interpreting, applying and evaluating mathematical outcomes; 2 = Employing mathematical concepts, facts and procedures; 3 = Formulating situations mathematically)

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