Jonathan I Bisson, Cono Ariti, Katherine Cullen, Neil Kitchiner, Catrin Lewis, Neil P Roberts, Natalie Simon, Kim Smallman, Katy Addison, Vicky Bell, Lucy Brookes-Howell, Sarah Cosgrove, Anke Ehlers, Deborah Fitzsimmons, Paula Foscarini-Craggs, Shaun R S Harris, Mark Kelson, Karina Lovell, Maureen McKenna, Rachel McNamara, Claire Nollett, Tim Pickles, Rhys Williams-Thomas
Pragmatic randomised controlled trial of guided self-help versus individual cognitive behavioural therapy with a trauma focus for post-traumatic stress disorder (RAPID)
Health technology assessment (Winchester, England)
little research investigated factors determine whether people falter face obstacle successfully follow initial commitment act integrated multiple theories reasoned action approach raa prototype willingness model anticipated regret theory test factors predict initial commitment register organ donor discover whether different factors predict initial commitment vs following registration participants nationally representative uk sample n 1008 reported beliefs organ donation indicated decision register obstacle participants could foresee complete registration second survey 3 days making initial commitment findings showed 148 participants followed 197 demonstrated initial commitment 655 declined register linear discriminant function analysis derived two functions distinguished registration patterns first function discriminated participants declined register groups declined group lower scores raa variables compared counterparts second function distinguished participants made initial commitment register followed followthrough associated less anticipated negative affect favorable descriptive norms stronger identification organ donors present findings indicate even modest friction leads large reduction followthrough moreover different factors influence initial commitment vs following whereas raa variables predicted initial commitment following function anticipated negative affect social processes