Telephone inquiries (actually "‚telephone inquiries `), usually with aid of computers (technical: here), sometimes just as well today still with pencil and paper.

Methodical aspects

Advantages of the telephone inquiry

• In most countries, in which market study takes place, almost any household has a telephone connection. Thus the medium telephone opens in principle the entire population.
• In the telephone call the unwanted falsification effects of non verbal communication between interviewers and Interviewtem are smaller than in the personal interview: The asked one can see the interviewer neither nor smell, so that only the language emotional effects, which could affect the response behavior (pleasant voice, researcher clay/tone), transport can.
• Where the asked person has entrance to the Internet (high-level personnel in enterprises in the European Union for example), can the interviewer in the telephone call to a representation in the Internet refer.

Disadvantages of the telephone inquiry

• The interviewer cannot show the asked one anything.
• The accessibility of the elements of the population over the telephone network is subjected to fluctuations, it gives persons,
  • without directory-a-GET-rise up
  • with several telephone numbers registered and/or attainable
  • only over a portable radio connection attainable.

The of the sample endangers: the demand that each element of the population with the same probability must arrive into the sample, is not to be kept any longer accurately.

Economic aspects

• The interviewer does not have to visit to asking. Repeated contact contacts and also interviews, which are divided accomplished into several time blocks, to have no substantial cost sequences.

• By the purge of the telephone charges in the process of the past ten years telephone questionings are also world-wide economically possible.

Articles in category "Telephone inquiry"

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Related Websites

We found here 4 related websites.

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