The experienced Trinidad and Tobago international believes he has spotted a Bluebirds weakness he can help put right.
"An early observation for me is that the players in our dressing room don't give themselves enough credit," Jones told WalesOnline. "There isn't enough belief in themselves and each other.
"But with new faces in and a win against Norwich City that side of things will improve.
"There are young, quality players in our dressing room and those with more experience, including myself, must do their bit to lift those around us.
"There is character in this team and that was clear against Norwich when we pulled together and earned our win. With a little more belief we can make solid progress.
"This is not every man for himself. We all need each other in our aim to climb the table."
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