QPR recorded their first back-to-back victories in the top flight since their return to the Premier League when they came from behind to beat Sunderland 3-1 on Saturday.
And Jordan says taking six points from two games has been a huge boost to the club.
"I think there is a confidence, but you have to get results to go with it," Jordan told Sky Sports.
"Harry has always had the belief that we are trying to get out of a difficult situation and we have a long way to go, but what we have done is got results and got the points.
"There is a belief in the dressing room and within QPR now. And it affects the other teams, not just in the bottom four. Other teams are now in a fight to stay in the Premier League and other teams are in the mix."
Jordan says that 'hard work' has been the key to the improvement since he arrived with Redknapp in November.
"It is hard work, we showed a little bit of belief - when we first went there - the draws were vital, the lads showed a great determination and although we did not have the threats that we have now those points could be vital and the last few games we have got players back fit and we can win games," he said.
Jordan says that being able to bolster their squad with a number of players in January has been key. Three of Redknapp's new arrivals Loic Remy, Andros Townsend and Jermaine Jenas all scored in the win over Sunderland.
"The players that have come in have given us something we didn't have," he said.
"There were changes that were necessary in the window as we lost Ryan Nelsen for example but Chris Samba has come in and done great, he needed games and he is now playing the way we expected and he has given us a personality in the dressing room."
Jordan admits the win over Sunderland was a big game, as is their next clash with Aston Villa next week.
"We played a team that was going to take the game to the opposition. It was a brave selection by Harry and it proved its worth as we needed the three points, which we got and were deserved," he said, admitting that beating the teams around you is important.
"It is something that gives you a lift and can be a drain on the opposition, we are looking forward to it [Villa] because it gives us a chance to do something with our position - but that is not the only one between now and the end of the season as we can affect a number of things."
Rangers did hit the headlines last week because of a mid-season trip to Dubai but Jordan insists that the trip was required.
"It was something we could have done without but it was exaggerated to the extreme, and you have to look at the reasons - it was uncalled for and we went there for the right reasons," he added.
"One of the reasons we went to Dubai was because we brought six players in and unless you have the team spirit and camaraderie, you can't succeed. And it worked, we didn't need the newspaper article as we were out there for the right reasons."