... determine the direction of an effect. This applies to hypotheses C and D. Because (A) the number of applied changes is hypothesised to beinfluenced by the presence of the right conditions and (B)an ... organisa-tion, and external change agent support (for informationStudy model: hypothesised relations between conditions, applied changes and outcomesFigure 1Study model: hypothesised relations between conditions, ... available of 94% of the operating theatre productiv-ity teams, 82% of the pressure ulcer teams, 78% of the waiting list teams, 50% of the wound infection teams,41% of the medication safety teams, and...