Study OECD (2017): study BG 2015

Public

15-16 aged, secundary school students, Bulgaria, 2017

Survey name

INT-PISA 2015

Sample

Respondents

N = 5928

Non Response

Assessment

Questionnaire: Conputer Assisted Web Interview (CAWI)

Correlate

Authors's Label

School performance in mathematics

Our Classification

Distribution

Deciles and quartiles

Operationalization

Mathematical performance, for PISA, measures the mathematical literacy of a 15 year-old to formulate, employ and interpret mathematics in a variety of contexts to describe, predict and explain phenomena, recognising the role that mathematics plays in the world. The mean score is the measure. A mathematically literate student recognises the role that mathematics plays in the world in order to make well-founded judgments and decisions needed by constructive, engaged and reflective citizens.

Observed Relation with Happiness