Respuesta :
Answer:
C convenience
Step-by-step explanation:
Convenience sampling (also known as availability sampling) is a type of non-probability sampling method in which data is collected from population members who are readily available for survey. An example for convenience sampling is the use of questionnaires or magazine to ask questions.
It is the most commonly used method of sampling because it is cheap incredibly prompt and uncomplicated.
Answer:
The correct option is;
D. Self-selected
Step-by-step explanation:
Self-selected sampling also known as volunteer sampling is a sampling method in which participants are those that voluntarily respond to an advert or to the request of the researcher who ask for members of the population to take part in the study
The magazine in the question has put out a survey of which the magazine is asking readers to complete and the readers can then decide if they wish to participate in the study which is a form of self-selected sampling.