Effectiveness of a multimodal intervention and the simulation flow to improve empathy and attitudes towards older adults in nursing students: A crossover randomised controlled trial

•Multimodal simulation improves students’ empathy and positive attitudes.•Age simulation suits encourages students’ empathy towards older adults.•Storytelling encourages students’ positive attitudes towards older adults.•Intervention results are influenced by the simulation flow.•Empathy and attitudes improve using age simulation suits followed by storytelling.