“…When students discover that a science textbook is written at a higher level than their own, they are less likely to be engaged with reading (Deveci, 2018;Djudin, 2021;Stoffelsma & Spooren, 2019). Learning simple, short words are more straightforward than learning complex, lengthy ones (Kansizoglu & Akdogdu Yildiz, 2022;Yıldırım & Özdemir, 2022). Therefore, it is essential to consider the target audience's age while selecting textbook material, as word and sentence length tend to increase (Batur & Özcan, 2020;Turkben, 2019).…”