Each child's immunization record was checked against the EPI immunization schedule including booster doses for DTP at 15 months and for measles at 18 months (Table 1).
All records were checked.
Records were checked for inconsistencies.
However, some have criticised the design of those studies in which either positive survey responses were verified against medical records or positive record values were checked against survey responses, producing estimates which were biased towards either over- or under-reporting respectively.
Data of patients relating to their demographics and peri-operative characteristics were individually collected from hospital medical records, and mortality data were checked against the records from the Victorian Registry of Births, Deaths and Marriages.
Those were checked against records at the assessor's office for actual sale prices.
Notes taken during data collection were checked against audio recorded and record review information.
A researcher and a trilingual secretary recorded, transcribed, and translated the interviews when necessary; to ensure contextual accuracy translated transcripts were checked against recorded interviews by bilingual members of the research team.
The semi-structured interviews were digitally recorded, professionally transcribed in detail, and the transcripts were checked against the recordings.
