Reliability of Recall in Agricultural Data
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Despite the importance of agriculture to
economic development, and a vast accompanying literature on
the subject, little research has been done on the quality of
the underlying data. Due to survey logistics, agricultural
data are usually collected by asking respondents to recall
the details of events occurring during past agricultural
seasons that took place a number of months prior to the
interview. This gap can lead to recall bias in reported data
on agricultural activities. The problem is further
complicated when interviews are conducted over the course of
several months, thus leading to recall of variable length.
To test for such recall bias, the length of time between
harvest and interview is examined for three African
countries with respect to several common agricultural input
and harvest measures. The analysis shows little evidence of
recall bias impacting data quality. There is some indication
that more salient events are less subject to recall decay.
Overall, the results allay some concerns about the quality
of some types of agricultural data collected through recall
over lengthy periods.
Palabras clave
AGRICULTURAL ACTIVITIES, AGRICULTURAL ECONOMICS, AGRICULTURAL EXTENSION, AGRICULTURAL INFORMATION, AGRICULTURAL INNOVATION, AGRICULTURAL ISSUES, AGRICULTURAL LABOR, AGRICULTURAL PRODUCTION, AGRICULTURAL REGIONS, AGRICULTURAL SEASON, AGRICULTURE, ATTENTION, CASH CROPS, CASH INCOME, CENTRAL REGION, COFFEE, COFFEE FARMERS, COFFEE PRODUCTION, COGNITION, CONSUMER GOODS, CONSUMPTION DATA, CONSUMPTION EXPENDITURES, CROP, CROP HARVESTS, CROP PRODUCTION, CROPPING, CROPS, DATES, ECONOMICS, EXTENSION AGENTS, FARM, FARM ACTIVITIES, FARM ENTERPRISE, FARM HOUSEHOLDS, FARM INCOME, FARM SIZE, FARMER, FARMERS, FARMING, FARMING ACTIVITIES, FARMING SEASON, FARMS, FEMALE FARMERS, FEMALE-HEADED HOUSEHOLDS, FERTILIZER, FERTILIZER USE, FERTILIZERS, FOOD CROPS, FOOD DEMAND, FOOD EXPENDITURE, FOOD EXPENDITURES, GENDER, GEOGRAPHIC REGION, GROWING SEASON, HARVESTS, HOUSEHOLD BUDGET, HOUSEHOLD HEAD, HOUSEHOLD INCOME, HOUSEHOLD SIZE, HOUSING, IFPRI, INNOVATION, INTUITION, IRRIGATION, LANDHOLDINGS, LIVING STANDARDS, MAIZE, MAIZE HARVESTS, MAIZE PRODUCTION, MARKETING, MEMORY, PLANTING, POOR FARMERS, POVERTY MEASURES, RECALL, REGIONAL AVERAGES, RURAL HOUSEHOLD, RURAL HOUSEHOLDS, RURAL INCOME, SMALL FARMERS, SMALLHOLDER FARMERS, SORGHUM, STORAGE FACILITIES, SUBSISTENCE, SUBSISTENCE FARMERS, TOBACCO