Method | Usefulness | Relation to other methods |
---|---|---|
On-line survey | Gathering of data from a wide audience in many countries | Provision of the information to be statistically processed |
Non-probability sampling method I (convenience sampling) | Quick and extensive reach to research networks, especially when participants are under crisis situation | Rapid access to initial sample |
Non-probability sampling method II (snow ball) | Extend sample to relevant participants within sample networks | Extend sample within networks |
Dissemination via web links, networks and mailing lists sampling | Extend sample to relevant participants beyond sample networks | Extend sample beyond sample |