An IERI – International Educational Research Institute Journal
Table 5 Alternative measures of the “parental occupation” component of socio-economic status.
From: The measure of socio-economic status in PISA: a review and some suggested improvements
Original measure (HISEI) | Replica (HISEI1) | Alternative 1 (HISEI2) | Alternative 1 (HISEI3) | Alternative 2 (HISEI4) | |
|---|---|---|---|---|---|
ISEI score for housewives, unemployed, retired, students | No | No | Yes | Yes | Yes |
Accuracy of coding (theoretical) | 4 digits | 4 digits (except AUT) | 4 digits | 2 digits | 1 digit |
Student-level comparisons with original | |||||
Number of non-missing observations | 426,611 | 426,611 | 439,676 | 439,676 | 439,676 |
Number of missing observations | 50,241 | 50,241 | 37,176 | 37,176 | 37,176 |
OECD mean | 51.8 | 51.8 | 51.2 | 50.9 | 50.8 |
OECD standard deviation | 21.8 | 21.8 | 22.0 | 21.9 | 21.3 |
Range (min, max) | 11–89 | 11–89 | 11–89 | 11–79 | 17–76 |
Correlation with original measure in database | 1.00 | 1.00 | 1.00 | 0.96 | 0.95 |
Country-level comparisons with original | |||||
Country means | |||||
Pearson correlation with original | 1.00 | 1.00 | 0.99 | 0.98 | 0.98 |
Spearman correlation with original | 1.00 | 1.00 | 0.98 | 0.98 | 0.97 |
Mean absolute deviation with original | 0.00 | 0.01 | 0.87 | 1.5 | 1.6 |
Max positive deviation and country | 0.00 | 0.00 | 0.13 (Indonesia) | 1.4 (Viet Nam) | 1.34 (Viet Nam) |
Min negative deviation and country | 0.00 | − 0.41 (Austria) | − 6.34 (Jordan) | − 7.1 (Jordan) | − 7.97 (Jordan) |
Relationship with science performance (R2) | |||||
OECD average | 0.109 | 0.109 | 0.115 | 0.108 | 0.105 |
Pearson correlation with original | 1.00 | 1.00 | 0.98 | 0.97 | 0.97 |
Spearman correlation with original | 1.00 | 1.00 | 0.98 | 0.97 | 0.96 |
Mean absolute deviation with original | 0.00 | 0.00 | 0.01 | 0.01 | 0.01 |
Max positive deviation and country | 0.00 | 0.00 | 0.04 (UAE) | 0.05 (UAE) | 0.05 (UAE) |
Min negative deviation and country | 0.00 | − 0.01 (Austria) | − 0.01 (Austria) | − 0.01 (Austria) | − 0.02 (Peru) |
Relationship with science performance (beta) | |||||
OECD average | 1.4 | 1.4 | 1.5 | 1.4 | 1.5 |
Pearson correlation with original | 1.00 | 1.00 | 0.99 | 0.98 | 0.98 |
Spearman correlation with original | 1.00 | 1.00 | 0.99 | 0.97 | 0.97 |
Mean absolute deviation with original | 0.00 | 0.00 | 0.03 | 0.05 | 0.06 |
Max positive deviation and country | 0.00 | 0.02 (Austria) | 0.23 (Slovak Republic) | 0.26 (UAE) | 0.25 (UAE) |
Min negative deviation and country | 0.00 | 0.00 | − 0.04 (Qatar) | − 0.14 (Qatar) | − 0.13 (New Zealand) |