sentence: In addition , in spite of having paid a lot , the participants were not allowed to take any materials away , and this resulted in obtaining a less effective result , as the participants did n't have any materials to use to revise .
modified: In addition , in spite of having paid a lot , the participants were not allowed to take any materials away , and this resulted in obtaining a less effective result as the participants did n't have any materials to use to revise .
transformation: PUNCT