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Fig. 1 | Large-scale Assessments in Education

Fig. 1

From: The TIMSS 2019 Item Equivalence Study: examining mode effects for computer-based assessment and implications for measuring trends

Fig. 1

Item plots of international average percent correct statistics for mathematics—paperTIMSS vs. eTIMSS. Each data point represents a mathematics trend item with x-axis the percent correct based on paperTIMSS data and y-axis percent correct based on eTIMSS data. Expected invariant items (left) were included in the analysis. Expected non-invariant items (right) were plotted as a means of comparison

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