West Ham chief Carr: N'Gala will benefit from Scunthorpe move
Carr has overseen the imposing central defender's development since he joined the club as a 13-year-old.
"It's great experience for any of these young boys to go out and play league football," Carr told whufc.com. "It brings home the reality of what the game is about. Every point is vital, every win is three points and every defeat brings pressure.
"It's a great learning curve for these young boys to go out and play with that little bit of pressure and that little bit of sharp edge in front of fans and to places that they haven't been before. They can only come back better for it."