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Telephone surveys are a method of data collection wherein interviewers contact respondents via telephone to conduct an interview by asking the respondents a list of predetermined questions. Telephone surveys are a popular method of data collection as they are considered to be reliable and valid, and allow for data to be gathered more quickly than via face-to-face surveys.
In today’s article, we will explore the advantages and disadvantages of telephone surveys and will also go over the different sources of error in this method of data collection.
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The following are a few advantages of using the telephone survey mode:
The following are a few disadvantages of using the telephone survey mode:
In survey sampling, total survey error refers to all forms of survey error. There are three main types of survey errors including nonresponse error, noncoverage bias, and measurement bias.
Nonresponse error occurs in telephone surveys when people who were a part of the sample frame but weren’t interviewed differ significantly as a group in a non-negligible way from those who were a part of the sample frame and were interviewed. Nonresponse in telephone surveys generally occurs due to:
Noncoverage bias is a result of the magnitude of the difference between the sampling frame and the larger population it is supposed to represent. The extent to which the population covered by the sample differs from the population not covered by the sample will be the extent of coverage bias present in the survey. Noncoverage in telephone surveys can occur due to:
Measurement bias occurs when the data collected by interviewers during telephone surveys inaccurately measures the attitudes, behaviours, and demographics of interest. These inaccuracies can take the form of bias and variance, and are generally errors associated with:
In telephone surveys, the response rate refers to the number of interviews completed out of all the telephone numbers dialled. This metric can be a revealing indicator of the quality of telephone surveys.
Response rates are generally influenced by;
Telephone surveys are a method of data collection wherein interviewers contact respondents via telephone to conduct an interview by asking the respondent a list of different questions from a questionnaire.
Some advantages of telephone surveys are that they are a fast and cost-effective method of data collection and can allow for high-quality control.
Some disadvantages of telephone surveys are that it sets limitations on how lengthy and complex the interview can be. There is also the risk of coverage errors and respondents being geographically ineligible to participate in the survey.
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