Discussion
In a study, participants are recruited from local schools in urban area. The study is conducted on saturday so only the saturday working school take part. What type of sample is this ?
Answer: D
The sample is a convenience sample.
A convenience sample is made up of the participants who happen to be easily available to the researcher. Here the schools taking part are simply those working on Saturday, the day the researcher chose to conduct the study; they were not selected by any chance procedure, so the sample is one of convenience and may not represent all urban schools.
A random sample gives every member of the population an equal chance of selection, a stratified sample draws from defined subgroups, and a cluster sample randomly selects whole groups such as schools.
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