Comments of two kinds of research methods

500 words Outline: 1. Which instrument you choose, why you choose 2. Which sections you decide in your essay 3. Which articles do you use to explain these two instrument 4. Reference list Note: 1. In this essay, you should show your good understanding to these two instrument. And you need to show how this work relate to your further essay or dissertation work ( eg: I will use these in my dissertation but it not very useful for me). 2. In evaluation part, you need to write why this method is good or not, useful for me or not, why?