Convenience Sampling
A non-probability method that recruits whoever is easiest to reach, such as available classmates or volunteers responding to a posted link.
Convenience sampling selects participants based on ease of access: students in your own department, visitors to a location, or people who answer an open online survey. It is fast and inexpensive, which makes it common in student research, but selection depends on availability and willingness rather than chance. As a result, the sample may differ systematically from the population, and there is no statistical basis for generalizing findings beyond the people studied.
In a thesis, convenience sampling is acceptable when it is named honestly and its consequences are addressed. Describe who your participants were, how they were reached, and how they might differ from the wider population. Then temper your claims: present findings as indicative rather than representative. Examiners are usually less concerned by the method itself than by conclusions that quietly outrun it.
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