Frustration in technology-rich learning environments: A scale for assessing student frustration with e-textbooks. - Novak, Elena; McDaniel, Kerrie; Daday, Jerry; Soyturk, Ilker (Br. J. Educ. Technol., 2022)

Assessing Intrinsic and Extraneous Cognitive Complexity of E-textbook Learning. - Novak, Elena; Daday, Jerry; McDaniel, Kerrie (Interact. Comput., 2018)