Two points and one goal from their opening four league fixtures represents a less than ideal start.

But after conceding seven in their first two outings, Caldwell feels their first priority was to tighten up defensively.

And having done just that with two successive clean sheets – three if you count the Carling Cup tie with Oldham – he feels the rest will take care of itself: "We can obviously do better as a team, that's clear to be seen.

"Defending wise, the first few games were poor but we seemed to have addressed that and we definitely look a bit more solid.

"(Against Plymouth) we were playing a team with no ambition towards attack, but still we had to keep a clean sheet and we did that.

"We now have to look at the way we pass and move attacking wise to get the ball wide and do what we do well, which I think is when we get in wide areas, left and right, and put crosses into the box.

"Wade (Elliott) put a couple in during the first half, but I certainly feel that, as a team, we can get into wide areas better and feed the likes of Wade, who's hugging that right touchline, and get Chris Eagles wider, and get the ball into the box.

"We've got some great attacking players – I don't think it's anything to do with the lack of quality that we have, it's just a little thing that needs tinkering with.

"It often happens when you've had a couple of bad defeats like we did in the first two games, where you think 'we need to stop conceding goals'; you stop doing that and you maybe lose a little bit of your attacking impetus."

However, Caldwell admits he is at a loss to explain their lack of goals to date: "It's hard to put your finger on it.

"I think maybe Pato's a bit isolated at times, and he's playing a role that's probably difficult for him.

"He'd probably be the first to say it isn't his favoured role but he's working really hard and grafting away and I think that at times we play the ball up to him and he seems isolated.

"But I'm just a player trying to worry about myself and the team as a whole.

"My area's trying to organise the defensive unit and we seem to be doing that better.

"I'm sure the manager will be watching videos and thinking about it, he knows better than me and he'll decide how we're going to attack better as a team."

And ahead of the international break, he added: "It's important we recharge, we're professional about it and we go away and use the time.

"There are four or five who won't get the chance to have a break because they've got internationals, but it's important the rest use the time wisely and come back stronger for it."