Quickie on abstract

I used the "to find if ... can be done"/"discover whether or not" in class and Caroline gave a reply something like "Your answer: Yes. Of course ... can be done."
So you may want to reword your bit Leon ;) Focus on 'investigating how' or something.
Try this in the abstract:

Secondly, Joel will investigate the communicative power of videogames and gameplay in informing social attitudes.
And Finally, Leon intends to investigate how visual communication can be used to encourage true empathy and ...