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International Journal of STEM Education
Fig. 1 | International Journal of STEM Education

Fig. 1

From: Internet use at and outside of school in relation to low- and high-stakes mathematics test scores across 3 years

Fig. 1

Estimated marginal means of mathematics scores based on Internet use at and outside of school and on weekends, controlled for SES and gender. Notes: On x-axis (Self-reported Internet Use in 2015): 1 = “No time”; 2 = “1–30 min per day”; 3 = “31–60 min per day”; 4 = “Between 1 and 2 h per day”; 5 = “Between 2 and 4 h per day”; 6 = “Between 4 and 6 h per day”; 7 = “More than 6 h per day”. G12 (Narrow) = Grade 12 national mathematics exam (narrow) score; G12 (Wide) = Grade 12 national mathematics exam (wide) score; G9 = Grade 9 national mathematics exam score; PISA PV = PISA 2015 mathematics test scores (estimated across ten plausible values as suggested in OECD (2018). The 95% CIs are depicted.

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