Exhibit 2.1

PIRLS 2021

Trend Plots of Average Reading Achievement

Created by the Boston College TIMSS & PIRLS team

This exhibit displays changes in achievement for all PIRLS 2021 participants with data from previous PIRLS assessments. Exhibits 2.1.2 and 2.2.2 provide details, including statistical significance and annotations for sampling and reliability for each country by cycle. See Appendix A for country participation in previous assessments.

Exhibit 2.1 - 2.2: Trend Plots of Average Reading Achievement

Assessed Fourth Grade Students at the End of the School Year

⋈

Assessed One Year Later Than Originally Scheduled – six year trend from PIRLS 2016

Delayed Assessment of Fourth Grade Cohort at the Beginning of Fifth Grade

Assessed Fourth Grade Students at the End of the School Year
Delayed Assessment at Beginning of Fifth Grade

See Appendix A for country participation in previous PIRLS assessments.

Ɪ The black bars represent the 95% confidence interval.

( ) Standard errors appear in parentheses in the tooltip (hover text).

See Exhibits 2.1.2 and 2.2.2 for details and annotations for sampling and reliability

SOURCE: IEA's Progress in International Reading Literacy Study - PIRLS 2021

Downloaded from https://pirls2021.org/results