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data cover 320 rice farming households in Ruhuha sub-district, Bugesera district, Eastern province, Rwanda"]},{"typeName":"dansFrequencyOfDataCollection","multiple":false,"typeClass":"primitive","value":"1"},{"typeName":"dansSamplingProcedureFreeText","multiple":false,"typeClass":"primitive","value":"The total population in the sub-district of Ruhuha equaled 17,130 individuals at the time of research, spread over 4,293 households and residing in five cells and 35 villages (imidugudu). Out of these, 1,914 individuals were members of rice farming cooperatives operating in four different marshlands located in this sub-district, representing the 4.2 percent of households that are engaged in (organized) rice cultivation. The following four cooperatives are included; Twizamure (A), Kopauki (B), Inkingi y’ubuhinzi (C), and Corinyaburiba (D). The membership lists of the four cooperatives served as the sampling frame for this study. Participants were randomly drawn from each cooperative proportional to the size of its membership pool. With a risk of error of 5 percent, a confidence level of 95 percent and a population size of 1,914 cooperative members, the minimum sample size to detect non-zero WTP was calculated at 320 rice farmers. The proportionality criterion led to 86, 30, 122, and 82 farmers being recruited from cooperatives A, B, C, and D, respectively. 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