England Head Coach Peter Moores admits he and his team all have to take responsibility for an early elimination from the World Cup.
Defeat to Bangladesh ended England's hopes of qualifying for the quarter-finals from Pool A and they will fly home after the final group game against Afghanistan on Friday.
Moores reiterated his immediate post-match statement that he felt "hollow inside", but it will take time to implement the changes he feels are necessary.
He said: "You're not going to do a lot of thinking apart from the disappointment you've got for a campaign in which you had a huge ambition to come in and help a team do well for their country, and we haven't done that.
"The messages are clear, the players know what they're trying to do. We haven't always done that and so we've paid the penalty and (gone) out of the tournament.
"People are going to be very upset, as we're very upset, because we've got a lot of passionate fans out there and they're desperate for us to do well. That makes you feel terrible because you want to do better.
"We've a lot of work to do in one-day cricket, we've not played well enough in this tournament all the way through. That's fundamentally something we'll have to look at.
"I'm not going to stand here and say we all shouldn't take some responsibility, of course we should. I'm the coach, we have a set of players, and everyone's got to be a man about it and take the responsibility."
Paul Downton, ECB's Managing Director - England Cricket, spoke after the Bangladesh game of the growing influence of Twenty20 cricket on the longer one-day format and called for England's players to feature more regularly in both the NatWest T20 Blast and overseas T20 leagues.
And Moores said: "I'm trying to create opportunities for players to play against better players more often.
"We can see by how many ODIs our guys play compared to maybe other players in the world, and the exposure they get to some of the bigger tournaments, that we're behind and we've got to catch that up.
"We've got some exciting players, though they've got to be more consistent, but I do think also we're going to have to look at how our one-day cricket is across the board."