If two polling firms asked identical questions of the same group of 1,000 people, yet reported different results, this difference would likely be caused by

Question

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The difference would most likely be caused by the house effect, which refers to the systemic differences in polling results that can be attributed to factors such as question wording, timing, and methodology. Sampling error and failure to achieve a random sample might also contribute to differences in results, but these factors alone would not explain why two polling firms would report different results from the same group of 1,000 people. Push polling is a specific type of polling that involves manipulating responses in order to influence opinion, and is not relevant to the scenario described in the question.

If Two Polling Firms Asked Identical Questions of the Same