when you conduct a survey, how do you know how many people is enough?

Question

when you conduct a survey, how do you know how many people is enough?

In: Other

Answer 1

Just increasing the number, surveyed, beyond a sample point,  doesn’t get much increase in accuracy. Randomness of those to be surveyed is most important to avoid bias. Pay special attention to questions and survey delivery. I have often noticed some surveys and surveyors pose leading questions.