Table 2 Assigning quality categories in reviewed papers to five categories for the purposes of data aggregation
From: Is YouTube a reliable source of health-related information? A systematic review
Excellent quality | Good quality | Average quality | Not useful | Poor quality |
|---|---|---|---|---|
- Excellent - Very useful - Very accurate - High quality | - Educationally useful - Useful - Good - Accurate - Reliable | - Fair - Satisfactory - Slightly useful - Somewhat useful - Moderately useful - Intermediate quality | - Not educationally useful - Irrelevant - Offering little value | - Dangerously misleading - Misleading - Very poor - Poor - Inadequate - Low quality - Not reliable - Inaccurate |