PISA Equity and Socioeconomic Analysis Flashcards
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What does the acronym ESCS stand for in the context of PISA assessments?
Answer: Economic, Social and Cultural Status
ESCS stands for Economic, Social and Cultural Status, the composite PISA index that combines parental occupation, parental education, and home possessions to measure a student's socioeconomic background.
Which three components are combined to create the PISA ESCS index?
Answer: Parents' highest occupational status, parents' highest educational level, and home possessions
ESCS is derived from the highest parental occupational status (HISEI), highest parental educational level (PARED), and the index of home educational possessions (HOMEPOS).
In PISA, what is a 'socioeconomic gradient'?
Answer: The statistical relationship between student achievement scores and socioeconomic status across a school system
A socioeconomic gradient shows how achievement scores change as ESCS increases, revealing the strength and steepness of the socioeconomic status–performance relationship within a country.
Approximately how many score points separate students in the top and bottom ESCS quartiles across most OECD countries in PISA?
Answer: 80–100 points
Students in the top ESCS quartile typically score about 80–100 points higher than those in the bottom quartile — a gap equivalent to roughly two to three years of schooling.
What term does PISA use for students from low socioeconomic backgrounds who nonetheless perform at high academic levels internationally?
Answer: Resilient students
PISA defines 'resilient students' as those in the bottom quarter of ESCS nationally who score in the top quarter of PISA performance internationally, demonstrating that disadvantage does not determine outcomes.
Which statistical measure does PISA use to capture the proportion of performance variation explained by students' socioeconomic backgrounds?
Answer: The coefficient of determination (R²) from the ESCS regression
PISA uses R² from regressing performance on ESCS to indicate how much of the score variance is accounted for by socioeconomic background — higher R² signals a less equitable system.
In which PISA results volume are cross-country equity analyses, including socioeconomic and immigrant student gaps, typically presented?
Answer: Volume II (or III in some cycles): Equity in Education
PISA dedicates a specific results volume to equity, examining socioeconomic gradients, gender differences, and immigration-related achievement disparities across countries.