“…To adapt, LIS professionals had to better understand when, how, and why their users were using resources in each medium. Some studies look at the preferences of specific user groups for physical and digital materials (Chen, 2019;Clark et al, 2018;Duki c & Striškovi c, 2015;Superio et al, 2019). Other studies look at the use of specific material types, such as reference materials (Chan & West, 2015) or primary sources (Press & Meiman, 2020), in physical and digital forms.…”