A questionnaire is a special kind of question catalog, as instrument of the data acquisition for one/several statistics (EN). Usually the same questionnaire is submitted to several persons and evaluated then statistically. One differentiates electronic questionnaire between paper and.
Electronic questionnaires offer the possibility for the integration of plausibility checks, whereby this no expertise of the asked ones andie to large requirements may place, since otherwise answer antwortverweigerungen increase. By integrating plausibility checks one receives relatively plausible data. Electronic questionnaires become increasing as Internet questionnaires, i.e. when forms for HTML, made available, besides electronic questionnaires know also as software are realized.
Paper questionnaires offer only small possibilities for the examination of instructions, if they as self from fillers to be used. Kontrollfelder mostly represent for those to accumulation the only possibility, which however dependent on Mitwirkungder is information-giving. The use of interviewers offers better possibilities, whereby the test level of electronic questionnaires is not reached.
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