“…With respect to the constructs used by these researchers, [5] conducted acceptance evaluation with TAM but did not use other constructs; [26] used TAM in their investigation, including other factors that were relevant for technology use in educational environments, such as: hedonic quality attributes (emotional user experience), usability, future expectations of educational improvement, social influence, empowerment of technology, educational barriers; [27] proposed ADOPT-DTV model, adapted from UTAUT, and included three constructs -self-sufficiency, anxiety, attitudes -regarding the use of technologies and intention of adoption (will adopt, undecided, won't adopt). [3,16,18,23] proposed a new technology and conducted technology acceptance evaluations; however, these authors did not use or propose structured models. [3] evaluated preference between SMS and translation, acceptance, system functionalities, ease of use, and consistency between desktop and mobile systems; [16] evaluated usability (including satisfaction, ease of use and comprehension), sign language interpreter (including lip reading and hands-movements), subtitles (including size and readability), and video playback controls (including size of buttons and usefulness); [18] evaluated percentage of acceptance, effectiveness, absent-mindedness, and quality of animated avatars; and, [23] evaluated the following aspects: (i) perception of transcription quality (accuracy); (ii) perceived acceptance of transcripts (between having transcription or not); (iii) usefulness (referring to the quality of transcripts); and, (iv) perceived usability (also referring to the quality of transcripts).…”