The weakest form of support for main ideas is usually considered to be anecdotes or personal experiences. While they can be engaging and relatable, they are often subjective and not representative of broader trends or evidence. In the context of the options you provided, examples could be considered the weakest form of support, as they can be less authoritative and may not provide the same level of rigor or reliability as facts, expert testimony, or statistics.
In summary, if we rank the forms of support from weakest to strongest, it would typically be:
- Examples
- Anecdotes (not listed but generally considered)
- Facts
- Statistics
- Expert testimony
So, in your provided options, examples would be the one considered the weakest.