“…The second best practice guideline ("Avoid device-, platform-or activity-specific items to make sure that skills items measure transferrable skills and can continue to be used over time") is applied on a more widespread basis (Alkan & Meinck, 2016;Kaarakainen, 2019;Porat, Blau, & Barak, 2018), although some studies still include device-specific items, for example, mobile phone-related items, here and there (Areepattamannil & Khine, 2017;Lee, 2018;Rodríguezde-Dios, Igartua, & González-Vázquez, 2016). Similarly, the third best practice guideline ("Different items should be designed to capture (functional) digital skills and (critical) digital knowledge") is rarely violated, in the sense that very few studies combine functional and critical elements in the same item.…”