At the end of each interview, interviewers reviewed their notes.
At the end of each interview, the interviewers, who were dietitians rigorously trained to minimize interviewer's effect, reviewed the collected food intake data with the respondent to clarify entries, servings and possible forgotten foods.
For the measurement of pesticide urinary metabolites, at the end of each interview the interviewer gave the participants urine collection containers with labels attached.
At the end of each interview, the interviewer wrote a detailed transcript to ensure that all the discussions had been documented.
At the end of each interview, the interviewer reviewed the survey with the respondent in an attempt to ensure that all questions were answered accurately and fully.
At the end of each interview, the interviewer will reflect on the content and note the main themes arising and any relevant remarks about the context of the interview.
Assurance of confidentiality was obtained by gathering some of the information in two different questions and at the end of each interview the interviewer could address if the information given by the patient was reliable and if she appeared confident.
To increase internal validity of the study, at the end of each interview day, the interviewer wrote memos to describe the interview context, document emerging themes, and to review the interview process.
The interviewer and recorder reviewed information from all interviews at the end of each interview to validate records and to identify new issues.
At the end of each interview, the researcher scored each respondent according to the interviewees overall attitudes to wildlife.
Demographic data were collected at the end of each interview.
