An IERI – International Educational Research Institute Journal
Table 1 Descriptive statistics
From: Using plausible values when fitting multilevel models with large-scale assessment data using R
Variable | Description | |
|---|---|---|
Level 1 (student level; n = 3,316) | ||
escs | A continuous socioeconomic status variable (an index of economic, social and cultural status) | M = 0.20 SD = 0.98 |
st04q01 | Student gender (male or female) with female as the reference group | Female = 1570 (50%) Male = 1566 (50%) |
st29q03 | “I look forward to mathematics lessons” with response options strongly agree (the reference group), agree, disagree, and strongly disagree | Strongly agree = 387 (12%) Agree = 1037 (33%) Disagree = 1231 (39%) Strongly disagree = 481 (15%) |
Level 2 (school level; n = 157) | ||
sc14q02 | “Is your school’s capacity to provide instruction hindered by any of the following... A lack of qualified mathematics teachers” with response options a lot, to some extent, very little, and not at all (the reference group) | Not at all = 116 (74%) Very little = 25 (16%) To some extent = 13 (8%) A lot = 3 (2%) |