The Potters have lost their last five matches on the road - and won just one of their last 24 - in contrast to only having been beaten twice in 22 matches at the Britannia Stadium, an issue which the Welshman attributes to a lack of concentration.
"From the first game of the season, where we played at Reading and they scored a late penalty, to the last away game at Newcastle, where we should have been home and hosed [but conceded late twice and lost], we have managed to shoot ourselves in the foot. We have done that continuously," Pulis fumed to the press.
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"So concentration levels are vital, although it is also important they enjoy themselves - make sure they go out there and express themselves, and work really hard.
"We have got four big games at home and they are the ones in which we are really looking to pick the points up and do well," he added.
"We will go to Everton and be as positive as we can but it is the four games at home that are massive for us. We want to get to 40 points as quickly as we can and get everyone settled down again.
"The Everton game will be one of our toughest games, without a question of a doubt. Everybody will talk about [Marouane] Fellaini and [Steven] Pienaar not playing but they have got some outstanding players.
"They have got [Victor] Anichebe, [Nikica] Jelavic, [Kevin] Mirallas, [Leon] Osman, [Leighton] Baines, [Sylvain] Distin - it looks as if [Phil] Jagielka might have a chance of being fit as well. They have a very, very good squad there."