Gibson feels last year's World T20 success in Sri Lanka has transformed attitudes within a talented but previously under-performing group. They opened their ICC Champions Trophy campaign with a narrow victory over Pakistan at Edgbaston and confidence is high ahead of their next outing against India.
"I think in the past we've had this group of players together, and we've gone to major tournaments with high expectations and we didn't do as well as we could have done or should have done," he said. "Winning the tournament (World T20) gave us obviously huge belief that yes, we can win."
He added: "We know we have the superstars, we know we have the players, the talent and the ability, but we never really got the job done. Sri Lanka gave us a huge belief that we can, and you'll see a sort of renewed attitude within the team that when we come to major tournaments we're not just here to make the numbers up any more.
"The rankings say that we are now eighth in the world. We know that on our day we're capable of beating the number one team, we're capable of beating any team in a format like this where it's so short and every game matters."
India claimed an impressive victory over South Africa in Cardiff last Thursday, and a second win would put them in a strong position in the group ahead of their eagerly-anticipated clash with Pakistan in their third game.
Captain Mahendra Singh Dhoni knows that to achieve that his team may have to contain the explosive talents of West Indies opener and former captain Chris Gayle.
He said: "The Gayle factor, it will always be there. He is one of those individuals that have a big impact on the game. It's always good to get them out early.
"Our fast bowlers will have a fair chance in that they'll have two new balls to get him out. Overcast conditions, may be a bit of help from the wicket.
"It will be an interesting game because what's important is to realise if you don't get batsmen like Chris Gayle out, most likely he'll take you out of the game."
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