Depends on the project. In aerospace (my industry), 3 months is not enough time. There's so much process and bureaucracy that everything moves very slowly. A

Depends on the project. In aerospace (my industry), 3 months is not enough time. There's so much process and bureaucracy that everything moves very slowly. At 3 months, the new person may be just starting to look at source code. But of course, they still try it anyway. Lead: "We're in serious danger of missing our delivery date in 6 months." Suit: "Egads! Here, have 5 new grads with no experience for your team, get it done!"