You need to decide how you are going to record your observation. Will you keep notes in a book (obviously or unobtrusively)? Will you trust to your memory and write up your impression as soon as...

You need to decide how you are going to record your observation. Will you keep notes in a book (obviously or unobtrusively)? Will you trust to your memory and write up your impression as soon as possible? Will you use a tape recorder/still camera/video camera? There is no right way in this activity: think about the pros and cons of each recording method.