If you have time and opportunity, show it to your instructor to revise. Otherwise, you may estimate it yourself.
The Society for Artistic Research (SAR) publishes the triannual Journal for Artistic Research (JAR),   an international, online, open access , and peer-reviewed journal for the identification, publication, and dissemination of artistic research and its methodologies, from all arts disciplines and it runs the Research Catalogue (RC),    a searchable, documentary database of artistic research, to which anyone can contribute.
How do you know when you have enough information in your Abstract? A simple rule-of-thumb is to imagine that you are another researcher doing an study similar to the one you are reporting. If your Abstract was the only part of the paper you could access, would you be happy with the information presented there?
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