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In other areas of labour economics repeated measures are often used as instruments when one is concerned about measurement error; for instance in the returns to education literature one may have access to the primary respondent's self-reported education, as well as a sibling's report on the respondent's education.
The primary respondent was a parent or guardian.
Parents nominated a primary caregiver (the parent who spent most time with the study child) who was the primary respondent.
There is some evidence to suggest that lower SES is associated with older age of the primary respondent (P < 0.001) and larger household size (P = 0.014, Table 2).
The user provided only a few demographics and the perceived impact data, while the primary respondent provided the selection data as well as the perceived impact data.
In each of the three rounds, the interviewer tried up to three times to get in contact with the primary respondent by telephone.
Similar(47)
The results of a sample of primary non-responders (non-respondents to the first mailing attempt) were compared to that of the primary responders (respondents to the first mailing attempt) to assess non-response bias [ 48].
The 1971 primary respondents recorded 5005 geo-referenced walking trips.
Mothers are the primary respondents, as they can provide valid information about conditions and feelings during and after their pregnancy.
Program managers were targeted as the primary respondents.
Caretakers/mothers living at home were the primary respondents.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com