“…Moreover, to deal with missing data, the analysis excludes those countries where the proportion of missing data in variables of interest was above 20%. In the countries included in the analysis, I used listwise deletion, which is common in multilevel analyses using PISA data (Da Silva & Matos, 2017;Schirripa, Salvati, D'Agostino, & Nicaise, 2018;Tsai, Smith, & Hauser, 2018;van Hek, Kraaykamp, & Pelzer, 2018).…”