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Estimating the effect of class size on academic achievement by ex post facto experiment
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Title: Estimating the effect of class size on academic achievement by ex post facto experiment

Creator:

Koniewski, Maciej

Date:

2013

Resource Type:

article

Publisher:

Educational Research Institute

Abstract:

The analyses of influence of class size on academic achievement used data from study conducted in 2006 by the Regional Examination Board in Cracow (Poland). The variables explaining the achievements of lower secondary school pupils were identified using regression analysis. The model explains 71% of variance of exam results. These variables were used to identify statistical twins. Their assignment to the experimental and control group was performed in three ways: by stratification using Mahalanobis distance, matching one-to-many and one-to-one using k-means method. The last method proved the most successful. The effect of class size on student outcomes proved statistically insignificant. However, pupils from classes with below 23 pupils achieved higher mean scores than their peers from larger classes by 0.039 standard deviation.

Bibliographic citation:

Edukacja : an interdisciplinary approach 1. 2013

Coverage:

21st century

Language:

eng

Rights:

Creative Commons BY 4.0

Format:

application/pdf

Resource Identifier:

oai:jbc.bj.uj.edu.pl:282247

ISSN:

0239-6858

Subject and keywords:

sociology of education class size effect academic achievement measurement quasi-experimental research

Object collections:

Last modified:

Oct 26, 2021

In our library since:

Aug 6, 2014

Number of object content hits:

148

Number of object content views in PDF format

15

All available object's versions:

https://www.jbc.bj.uj.edu.pl/publication/294907

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Estimating the effect of class size on academic achievement by ex post facto experiment Oct 26, 2021

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