An IERI – International Educational Research Institute Journal
Construct | WS (N = 153) | Non WS (N = 4927) | |||
---|---|---|---|---|---|
M | SD | M | SD | d (WS-MS) | |
Student background | |||||
Gender (1 = female/0 = male) | 0.58 | 0.49 | 0.49 | 0.50 | 0.18 |
Immigration background (1 = yes/0 = no) | 0.11 | 0.31 | 0.13 | 0.34 | − 0.08 |
Index of parental education in years of schooling | 15.41 | 2.03 | 13.75 | 2.33 | 0.71 |
Index of parental occupational status | 62.11 | 15.44 | 48.31 | 16.58 | 0.83 |
Index of cultural possessions at home | 0.84 | 0.73 | 0.07 | 0.96 | 0.80 |
Instruction and outcome variables | |||||
Enjoyment of science | 0.41 | 0.94 | -0.21 | 1.10 | 0.57 |
General interest in learning science PISA 2006 | 0.52 | 0.74 | 0.05 | 0.89 | 0.53 |
Science achievement | 523.90 | 81.50 | 510.84 | 97.86 | 0.13 |
Single IBSE variables assessed in both PISA 2006 and 2015 (percentage of students who report that this happens in most or in all science lessons) | |||||
Students are given opportunities to explain their ideas (2006) | 0.86 | 0.35 | 0.54 | 0.50 | 0.63 |
Students are given opportunities to explain their ideas (2015) | 0.85 | 0.36 | 0.62 | 0.48 | 0.47 |
Students spend time in the laboratory doing practical experiments (2006) | 0.65 | 0.48 | 0.16 | 0.37 | 1.32 |
Students spend time in the laboratory doing practical experiments (2015) | 0.66 | 0.48 | 0.18 | 0.38 | 1.25 |
Students are asked to draw conclusions from an experiment they have conducted (2006) | 0.83 | 0.38 | 0.38 | 0.49 | 0.92 |
Students are asked to draw conclusions from an experiment they have conducted (2015) | 0.81 | 0.40 | 0.28 | 0.45 | 1.17 |
Students are allowed to design their own experiments (2006) | 0.27 | 0.45 | 0.12 | 0.33 | 0.45 |
Students are allowed to design their own experiments (2015) | 0.24 | 0.43 | 0.11 | 0.31 | 0.44 |