Thanks again to everyone that responded! I plucked (??) up the courage to let them out this afternoon and the three of them had a ball! It was so lovely watching them roam around being proper chickens! At about 5.30 (after about an hour of out and about) I thought I would try the here is some corn and time to go to bed routine, just to see what happened. As predicted Buffy they all followed me up to the run, I put the corn in and they all followed. It was all very calm, very controlled and I just kept talking calmly. I closed the door, they kept on eating and that was that. I am still quite stunned at the simplicity of it all. I do wonder if it will work like that tomorrow! I plan to give them longer tomorrow afternoon but can't help wondering if now that they have been fooled into going back once they might not fancy it again. Maybe I am lacking faith/confidence only tomorrow will tell. For tonight I am feeling happy for them and relieved that I am not trying to persuade these lovely hens to go into their run!