Can pleasant aromas help people work more efficiently? researchers did this study to find out. twenty-two students worked a paper-and-pencil maze six times. on three tries, they wore a mask with floral scents. on the other three tries they wore a mask with no scent. the six tries were done in random order and each used a different maze. the researchers found that the subjects took less time to complete the maze when wearing the scented mask. this study is: