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These guides were piloted, first with the interviewers, and then with three recently delivered women to ensure that the interview length and structure were appropriate.
Each added question increases the interview length, testing the respondent's patience and the pollster's budget.
The interview length ranged from 30 minutes to 75 minutes.
The interview length ranged from 70 to 150 minutes, with a mean of 100 minutes.
The interview covered a wide range of variables, and we had to limit the interview length in this early phase postdisaster.
Delegations were extremely busy, for example, in the early days of the World Health Assembly and this reduced the number of interviews that could be conducted for the second study and the interview length since participants had limited time available between meetings.
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The interview lengths varied between 20 and 70 minutes.
In order to keep individual interviewers informed of their progress in meeting targets, the research team sent out anonymous monthly spreadsheets showing the proportion of participants interviewed and the average interview length for each interviewer.
Pre-testing of the questions also helped to determine the mean interview length needed for covering the samples and to plan the time, days and data collectors required for the field survey.
The average interview length for completion of the case questionnaire was 28 minutes, and the average interview length for completion of the control questionnaire was 16 minutes (Table).
Finding out who's in the audience, interview length, format, who will be interviewed with you or after you, for a truly successful interview.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com