“…[12] classified in-depth interviews, think-aloud protocols, verbal reports, sets of sentences with different meanings rated by participants, and free association tasks as verbal methods, and taking photographs and drawing as pictorial methods. In addition, based on the classifications in [12], this review also considered on-site interviews (e.g., [1,4,62,73,78]), walking voices (e.g., [68,69]), photo voice (e.g., [77]), and walking interviews (e.g., [64]) as combined verbal and pictorial methods. Moreover, taking pictures (e.g., [1]), drawings (e.g., [70]), observation (e.g., [71]), probe (e.g., [80]), and cognitive mapping (e.g., [59]) mixed with verbal methods were also included in the combined verbal and pictorial categories.…”