The illumination study conducted at the Western Electric Hawthorne plant found that increased lighting led to $\_\_\_\_\_\_\_\_\_\_\_\_\_\_$ and decreased lighting led to $\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

increased worker performance; increased worker performance

decreased worker performance; decreased worker performance

decreased worker performance; increased worker performance;

increased worker performance; no change in worker performance

increased worker performance; decreased worker performance