A study at an R&D organization, where teams worked together for more than five years, revealed what? Group of answer choices The performance of the groups remained steady over time, but declined sharply after five years of working together. The performance of the groups increased over time, but only up to a point; after five years of working together, performance declined steeply. The performance of the groups increased over time in a steady, consistent fashion. The performance of the groups decreased steadily over time