“…It has been widely used in various research investigations since its development, and its reliability and sensitivity have been tested in a consistent number of independent tests (Hart, 2006). Likewise, studies by Liu et al (2016) and Puspawardhani et al (2016) also stated that NASA-TLX is a popular component of research studies since it is reliable and easy to use. Furthermore, temporal increase in NASA-TLX scores for the same task is considered as a subjective indicator of mental fatigue (Li et al, 2020b).…”