“…The alignment method ) is a procedure to estimate factor means and variances in the presence of noninvariant item parameters. This study builds on alignment research (e.g., Cieciuch, Davidov, & Schmidt, 2018;Lomazzi, 2018;Munck, Barber, & Torney-Purta, 2018), including its com parison with MGCFA (e.g., Coromina & Bartolomé Peral, 2020), by examining the MI of the schoolwork-related anxiety survey administered within the PISA 2015 study across gender groups within the 35 Organisation for Economic Co-operation and Development (OECD) countries (i.e., country by gender). Test anxiety is a key construct in education and has received much attention in the literature (e.g., Cizek & Burg, 2006), including cross-cultural research (Bodas & Ollendick, 2005).…”