Tamara is sitting in her office at work when her supervisor walks in$.$ It is clear to Tamara immediately that he is anxious. He hands Tamara a stack of files and tells her to shred them. He also instructs her to go to the accounting files and change every other negative number found in the $$profits$$ column to a positive number. She asks why he wants all of this done, and he just orders her to do it$.$ Although worried, Tamara does what she is told. Which bias is at work in Tamara?