Data Capture

Mode of Administration

Population Considerations

Resource Requirements

  • Data entry system is required, typically either paper or electronic. For NCI's ASA24, access to high-speed Internet is required.
  • Interviewer-administration requires highly-trained interviewer; self-administration requires completely self-explanatory interface.
  • Aids that portray different portion sizes may enhance [glossary term:] accuracy of report.

Study Design Considerations

For greater detail on the following issues when considering whether to use a 24HR to answer a particular research question, see Choosing an Approach for Dietary Assessment.

General Considerations

Guidance for Specific Research Objectives