"We've got to really take a good look in the mirror at ourselves - everyone does - and see where we can get better. We've got four games to go and we really need to try and find something.
"There's a group of men and they're the only ones who can turn it around. We've got to start doing it straight away."
Jones thought the Warriors played completely bereft of confidence last night, their self-belief drained during their slide down the NRL ladder. Which meant, once the Knights stormed to an early 12-0 lead, the visitors never threatened to mount a revival.
"Our start to the game was really disappointing and, when you're a team that is down on a bit of confidence, the start is really important," Jones said. "We were just lacking a lot of conviction at the moment, within what we're doing.
"Obviously confidence is an issue with this team at the moment and we've got to try and find some. It's very frustrating and disappointing."