"Those mound visits, although we seemed to rifle through them, they were all necessary and needed," he said. "I think they did have an impact."
Anderson, who made his big league debut Monday against the Astros, "got a little sideways on some things" Scioscia said, necessitating three meetings with Maldonado during a four-batter appearance in the seventh inning.
A similar potential sign-stealing situation last week resulted in a near-altercation between the Chicago Cubs and Colorado Rockies.
"You change your signs," he said. "That's part of baseball. If we're going to be negligent in how we're giving our signs and other teams can pick them up, then that's on us.