Does instructional time and professional development explain reading achievement at the country level in PIRLS 2006 and 2016?

Van Damme, J.J.Van DammeBellens, K.K.BellensVan den Noortgate, WimWimVan den Noortgate2021-10-292021-10-292020https://imec-publications.be/handle/20.500.12860/36120Does instructional time and professional development explain reading achievement at the country level in PIRLS 2006 and 2016?Proceedings paperhttps://limo.libis.be/primo-explore/fulldisplay?docid=LIRIAS3084362&context=L&vid=Lirias&search_scope=Lirias&tab=default_tab&lang=en_US