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An IERI – International Educational Research Institute Journal

Table 5 The average difference in achievement between someone who “never spoke the language of the test at home” and someone who “frequently spoke the language of the test at home” in content areas

From: The effects of language and home factors on Lebanese students’ mathematics performance in TIMSS

  

English

French

2015

Number

27.75*

8.31

Data and Chance

38.88*

15.56*

Geometry

32.34*

9.12

Algebra

31.23*

12.69

Mathematics

30.5*

10.47

2019

Number

34.26*

18.27*

Data and Chance

44.43*

18.63

Geometry

17.91

8.67

Algebra

20.01*

10.35

Mathematics

23.16*

9.99

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