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Figure CL-15. Percentage distribution of 15-year-old students on PISA science literacy scale, by proficiency level and jurisdiction: 2006


Percentage distribution of 15-year-old students on PISA science literacy scale, by proficiency level and jurisdiction: 2006

*p < .05. Percentage reaching advanced benchmark is measurably higher than U.S. percentage.
# Rounds to zero.
NOTE: Jurisdictions are ordered by the percentage of students scoring 633.33 or above on a scale from 0 to 1000. Students with a score of 409.54 or lower appear on the left side of the percentage distribution. These students performed at proficiency level 1 or below. At level 1, students have such a limited scientific knowledge that it can only be applied to a few familiar situations. They should be able to present scientific explanations that are obvious and follow concretely from given evidence. The Program for International Student Assessment (PISA) has defined six levels of proficiency based on specific student proficiencies. These specific student proficiencies remain the same across all PISA assessments; however, the score point threshold for students who demonstrate these specific student proficiencies may vary slightly from assessment to assessment. Because OECD proficiency levels are anchored by specific student proficiencies (i.e., by items not scores), the percentage distribution by level can be reported. Apparent differences may not be statistically significant.
SOURCE: Organization for Economic Cooperation and Development (OECD), Program for International Student Assessment (PISA), 2006.

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National Center for Education Statistics - http://nces.ed.gov
U.S. Department of Education