When managing a project with new team members who lack formal project experience, it's important to provide support and flexibility. Including buffer time in the schedule can help absorb future delays and reduce pressure on the team. This approach allows the team to learn and grow while still keeping the project on track.
It's a proactive measure that anticipates potential challenges and plans for them in advance. References:
PMBOKGuide - Sixth Edition (Page 181, 6.6.1.4 Schedule Baseline and Project Schedule Network Diagrams)