A randomised fractional factorial screening experiment to predict effective features of audit and feedback. - Wright-Hughes, Alexandra; Willis, Thomas A.; Wilson, Stephanie; Weller, Ana; Lorencatto, Fabiana; Althaf, Mohamed; Seymour, Valentine; Farrin, Amanda J.; Francis, Jillian; Brehaut, Jamie; Ivers, Noah; Alderson, Sarah L.; et al. (Implementation Science, 2022)