vapaaehtoiskyselyt
Vapaaehtoiskyselyt, known in English as voluntary surveys or opt-in surveys, are a research method where participants choose to engage with a survey. Unlike mandatory surveys, individuals are not compelled to participate. This self-selection process means that respondents actively decide to share their opinions and data, often because they have a particular interest in the topic or a strong desire to express their views.
The key characteristic of vapaaehtoiskyselyt is that participation is optional. Researchers typically distribute surveys through various
Because participants self-select, the sample in a voluntary survey may not be representative of the entire