I cannot answer this question because I have not expressed that a poll can be valid or invalid. The concept of validity and invalidity implies a tedious and lengthy decision making process. I have not recommended a tedious and lengthy decision-making process. I apologize if I gave that impression. I only recommend that this project should take full advantage of a tool for the purpose of communication.Once again I ask what would be a sufficient sample size to consider the result of a poll valid?
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