Arianna Felisatti, Martin H Fischer, Elena Kulkova, Katharina Kühne, Alexej Michirev
Separation/connection procedures: From cleansing behavior to numerical cognition
The Behavioral and brain sciences
innovative methods collect dietary data multiple times across year needed better understand seasonal temporal changes household diets measure impact nutritionsensitive agricultural programmes lowincome countries present study aims validate picturebased research tool participants selfrecord households dietary diversity month villages manyoni district tanzania pictorial record charts developed reflect local food resources 113 randomly selected households person responsible food preparation trained mark items consumed household member within home prepared consumption outside home single recording day next day interviewbased household 24h food recall h24hr collected period separate analyses tested agreement picture charts h24hr b h24hr following chart completion alternative day concordance methods differed food groups items high high cereals vegetables pulses legumes nuts almost fruits recording ten items including noncultivated fruits ingredients mixed dishes differed significantly h24hr assessments reported households interviews following chart completion results suggest potential visual prompts contemporaneous nature data collection improve accuracy interviewbased recall adequate investment developing implementing contextadapted tools pictorial charts may also offer effective standalone method use multiple timepoints agricultural programmes