Four days after dispatching Fulham 4-0, the Reds lost 3-1 against Stoke at the Britannia Stadium - one of their bogey grounds - in a performance lacking in fight and application.
Prior to the victory over the Cottagers, Rodgers' side had suffered a surprise loss at home to Aston Villa and the Northern Irishman accepted the up and down nature of their results was hindering their attempts to move up the Barclays Premier League table.
"Consistency is the biggest thing for the group," he said.
"We were terrific at the weekend but you have to be able to put some runs of games together - if not you will make two or three steps forward and then take one or two back.
"Maybe that has been the nature of the group over the last couple of years.
"We are looking to improve that and there is an awful lot of work to do."