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Seeing is Believing? Evidence from an Extension Network Experiment

ADULT EDUCATION AGRICULTURAL DEVELOPMENT AGRICULTURAL ECONOMICS AGRICULTURAL EXTENSION AGRICULTURAL INNOVATION AGRICULTURAL KNOWLEDGE AGRICULTURAL PRACTICES AGRICULTURAL PRODUCTION AGRICULTURAL PRODUCTIVITY AGRICULTURAL TECHNOLOGY AGRICULTURE AUDITS BAMBOO CASSAVA CGIAR CHEMICAL FERTILIZERS COTTON CROP CROP ROTATION CROPPING PATTERNS CROPS CULTIVATED LAND CULTIVATION CULTIVATION PRACTICES CULTURAL CHANGE DECENTRALIZATION DEMAND FOR SERVICES DEVELOPING COUNTRIES DEVELOPMENT POLICY DISSEMINATION DISTRICTS ECONOMIC DEVELOPMENT ECONOMIC GROWTH EXTENSION EXTENSION SERVICES FALLOWING FAO FARM FARM INCOME FARMER FARMERS FARMING FEMALE FEMALES FERTILIZER FERTILIZERS FOOD SECURITY GENDER GLOBAL DEVELOPMENT GREEN REVOLUTION HARVESTING HECTARES OF LAND HOUSEHOLD SURVEYS HOUSEHOLDS HOUSING HUMAN CAPITAL HUSBANDS IFPRI INTERCROPPING INTERNATIONAL FOOD POLICY RESEARCH INSTITUTE INTERVENTION INTERVENTIONS LAND MANAGEMENT LIVELIHOODS LOW-INCOME COUNTRIES MAIZE MARGINAL FARMERS MINORITY MULCHING NATIONAL GOVERNMENT NATIONAL PLAN NEW TECHNOLOGIES NGOS NUMBER OF CHILDREN OPINION LEADERS PARTICIPATORY APPROACHES PEACE PEST MANAGEMENT PLANTING PLOWING POLICY CONTROL POLICY DISCUSSIONS POLICY RESEARCH POLICY RESEARCH WORKING PAPER PRIMARY SCHOOL PRIVATE SECTOR PRODUCTION TECHNOLOGIES PROGRESS RURAL COMMUNITIES SECONDARY EDUCATION SEED SESAME SMALLHOLDERS SOCIOLOGY SOIL FERTILITY SOIL QUALITY SORGHUM SPECIES SPOUSE STATE UNIVERSITY SUSTAINABLE DEVELOPMENT T&V SYSTEM TECHNICAL ASSISTANCE TILLAGE TRAININGS TRANSPORTATION VEGETATION VILLAGE LEVEL VILLAGES WEEDS WOMAN YIELDS
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World Bank Group, Washington, DC
Africa
2014-08-15T19:18:31Z | 2014-08-15T19:18:31Z | 2014-08

Extension services are a keystone of information diffusion in agriculture. This paper exploits a large randomized controlled trial to track diffusion of a new technique in the classic Training and Visit (T&V) extension model, relative to a more direct training model. In both control and treatment communities, contact farmers (CFs) serve as points-of-contacts between agents and other farmers. The intervention (Treatment) aims to address two pitfalls of the T&V model: i) infrequent extension agent visits, and ii) poor quality information. Treatment CFs receive a direct, centralized training. Control communities are exposed to the classic T&V model. Information diffusion was tracked through two nodes: from agents to CFs, and from CFs to others. Directly training CFs leads to large gains in information diffusion and adoption, and CFs learn by doing. Diffusion to others is limited: other males adopt the technique perceived as labor saving, with an effect size of 75 percent.

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