Since then Southampton have won three games in a week including last night's effort in Essex.
Pardew said: "We've been threatening before the Bristol Rovers game that we were going to do this and then we had a horrible moment in that game but we've bounced back well from that.
"Maybe that might turn out to be a turning point for us.
"We had a great win, a comfortable second half really.
"We stepped up a gear in the first half and got our goals and we looked a good side in that period.
"The system that we've put together is working well.