The standard method of telephone sampling is random digit dialing (RDD) By the b

Question

The standard method of telephone sampling is random digit dialing (RDD) By the beginning of 2012 about 35% of adults lived in households with a cell phone and no landline phone, and among adults aged 25 to 29 this number was about 60% Write a survey question for which the opinions of adults with landline phones only are likely to differ from the opinions of adults with cell phone only. Give the direction of the difference of opinion. For the survey question in a), suppose a survey was conducted using random RDD of landlines only. the result b Would biased? In what direction?

Explanation / Answer

a) Survey question:

Text messaging during dinner is rude: Strongly agree, agree. Those with landline only will be more likely to agree with this statement than those using cell phone only.

Another question can be :

Which communication device would you like to prefer: Movable communication device or Immovable communication device. The opinion about this statement will be different for adults using landline only than adults using cell phone only.

b) The result would be biased if one conduct it by using random RDD of landline only adults. As the opinion for that survey question is different for landline only and cell phone only group. The sample will be biased.

If question is asked that text- messaging during dinner is rude: then adults using landline only will strongly agree to it.

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