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Address-Based Sampling: Internet Access and Representative Ameri

address-based sampling: The original sample was drawn from respondents selected randomly from NORC's National Frame based on address-based sampling and recruited by mail, email, telephone and face-to-face interviews.NORC interviews participants over the phone if they don't have internet access, according to Metro News. With a probability basis and coverage of people who can't access the internet, surveys using Ameri Speak are nationally were conducted in English and Spanish. It is based on online and telephone interviews of 1,150 adults who are members of NORC's nationally representative Ameri Speak panel. As is done routinely in surveys, results were weighted, or adjusted, to ensure that responses accurately reflect the population's makeup by factors such as age, sex, race, education, region and phone use. The poll includes a total of 337 black respondents, who were sampled at a higher rate than their proportion of the population for purposes of analysis. No more than 1 time in 20 should chance variations in the sample cause the results to vary by more than plus or minus 4.1 percentage points from the answers that would be obtained if all adults in the U.S. were polled. (www.immigrantscanada.com). As reported in the news.