“…A clear research question was found in only 4/8 papers, but all stated the purposes for gamifying and studying removal. Reasons for gamifying included increasing user activity [2,15,29,42], improving performance [33,44], enhancing experience [10], and understanding the effect on motivation [12]. For removal, reasons included isolating the influence of gamification on behavior [2,10,29,42,44] and determining maintenance of effects over time [12,15,33].…”