The problem with scope creep is that it adds more work to the project. Also, sco

The problem with scope creep is that it adds more work to the project. Also, sco

The problem with scope creep is that it adds more work to the project. Also, scope creep sneaks up on the most experienced of project teams, and recognizing it is imperative to project completion. 
1. What type of corrective action can a project manager take when scope is getting out of control?
2. What do you recommend?
Please only use the textbook as a reference, no other references are needed. I have uploaded the chapter with a textbook source information document.