From: Predictors of individual performance changes related to item positions in PISA assessments
PISA cycle and domain | \(\overline{\text{ICC}}_{\delta }\) (SD) | \(\overline{\rho }_{{\theta_{s} \delta_{s} }}\) (SD) | \(\overline{\rho }_{{\theta_{ps} \delta_{ps} }}\) (SD) |
---|---|---|---|
2006 science | .079 (.062) | .428 (.620) | −.203 (.204) |
2009 reading | .085 (.044) | .427 (.345) | −.132 (.125) |
2012 mathematics | .063 (.052) | .225 (.507) | −.189 (.144) |