Some government leaders propose allowing of companies to drillin currently protected lands that may be rich inol reserves. Environmental researchers argue that drilling in such lands would be harmful to the surrounding ecosystem
To measure support for drilling in such lands, an oil company representative uses random-digit telephone ding to
contact adults in the region and measure opinion for increased drilling One question in the survey asks, "Given that an
increase in riling could result in increased tax revenue and additional jos to the region, wajid you suport a proposal
to allow drling in lands currently protected from drilling! What type of bas could be most key affecting the survey
results?
This is undercoverage bas because some segments of the population will be excluded from the sample
This is response bias because those selected for the survey may not provide truthful opinions about or drilling
This is voluntary response bras because those most passionate about drilling will be more likely to register an opinion
This is question wording bias because the information given at the start of the question may lead those surveyed
towards a dested response.
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