effort, knowledge, does and don’ts according to previous work, accuracy, authenticity, development, inspiration, originality.
talking i.e. learning peoples opinions and story’s, work experience to learn how things work in the field, practice acts as research as it allows you to self teach and develop skills in a specific area, survey collects information from multiple people.
online reading i.e J shop or wikipedia, books.
count / measurable data. (tally)
opinion / interpretation.