• Employs research-based strategies to enhance dietary recall:
      - Respondent-driven approach allowing initial recall to be self-defined
      - Association with the day's events
      - Probes for frequently forgotten foods
      - Repetition with minimal burden
      - Reviews 24-hour day
      - Placement of foods with eating occasions
   
• Interviewer-administered, in person or by telephone
   
• Extensive automated capabilities, including:
      - Unique questions and response options specific for each food
      - Routing of questions based on previous responses
      - Food lookup tables reflecting today's food market
      - Ability to add, change, or delete foods anytime during the interview
      - Automated edit checks performed during data entry
      - Notepad features for interviewer comments
   
• Companion Food Model Booklet, an aid for estimating portion sizes
   
• Companion, supportive computer systems for auto-coding, manual coding, and quality control
   
• Utilizes the Food and Nutrient Database for Dietary Studies

5-Step Multiple-Pass Approach Step   Purpose Quick List   Collect a list of foods and beverages consumed the previous day.     Forgotten Foods   Probe for foods forgotten during the Quick List.     Time & Occasion   Collect time and eating occasion for each food.     Detail Cycle   For each food, collect detailed description, amount, and additions. Review 24-hour day.     Final Probe   Final probe for anything else consumed.

Read more about USDA's Automated Multiple-Pass Method:

Bliss, R.M. (2004). Researchers produce innovation in dietary recall.Agric Res 52(6):10-12. 

Raper N, Perloff B, Ingwersen L, Steinfeldt L, and Anand J. (2004). An overview of USDA’s Dietary Intake Data System.J Food Compos Anal 17(3-4):545-55. 

McBride J. (2001). Was it a slab, a slice, or a sliver? High tech innovations take survey to new level.Agric Res 49(3):4-7. 

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