Table 5.

Bayesian model averaging (BMA).

	BMA
	Post mean	Post St. error	PIP
Constant	−0.059	0.106	1.00
Math/Science	−0.150	0.009	1.00
Mix	−0.137	0.152	0.50
Secondary	0.535	0.980	0.29
Tertiary	0.009	0.098	0.07
2021 (Timing of student assessment during Covid-19)	0.011	0.037	0.13
Europe	0.074	0.092	0.73
2020 (Year of publication)	0.010	0.036	0.17
2021 (Year of publication)	−0.007	0.042	0.16
Longitudinal	0.003	0.055	0.22
Correlational	0.021	0.073	0.15
Quasi experimental/experimental	−0.110	0.139	0.44
Journal article	−0.102	0.091	0.64
Standard Error	−0.124	1.070	0.07