“…Its usefulness has been demonstrated across many research fields, including health behavior, consumer behavior, and environmentally friendly behavior (Ahmad et al, 2014;Chuan, Yusof, Soon & Abdullah, 2014;Chiu, Lee, & Won, 2014;Cunningham & Kwon, 2003;Noar & Zimmerman, 2005;Ohtomo & Hirose, 2007;Wu, Li, & Sung, 2016). According to Ajzen (1991), attitude, subjective norms, and perceived behavioral control lead to …”