Hi there,
I used Google to gather my dissertation project idea (psychology) and got some useful proposal template, even got different kind of dissertation samples in various area.
There are so many out there maybe useful to you. Just keep positive and focus, also, best talk to your supervisor/lecturer to see what he/she wants/suggests to do and find a middle ground for both of you.
I'm doing a neuropsychology this term (BSc) as one of my assessment, and will use dementia as an example. Not sure if you find it interesting.
It's just a thought of mine and I know it's very different compare to a MSc. Anyway, wish you all the best in your research project 🙂.
Cherry