“…Due to unavailability of above-mentioned target population's sampling frame (Kumar Chaudhary et al, 2017;Huang et al, 2016, Warner, Kumar Chaudhary, Lamm, Rumble, & Momol, 2017Warner, Rumble, Martin, Lamm, & Cantrell, 2015), a purposive sample (N = 932) was acquired by a web-based survey sampling company using a non-probability opt-in sampling method. In the absence of existing sampling frame, it is the researchers' responsibility to select the best available sample, which has limited sampling frame error (Burns & Bush, 2003).…”