Resultados de búsqueda - "Item response theory."

Land Rights and Women's Empowerment in Rural Peru: Insights from Item Response Theory por Montenegro, M.J.

“…Empowerment is modeled as a latent variable measured by different influence indicators using a Generalized Structural Equation approach. We draw on Item Response Theory (IRT) to estimate difficulty and discrimination parameters which can inform policymakers about the impact of empowerment policies on women’s types of influences within their households. …”
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Understanding Vietnamese chicken farmers’ knowledge and practices related to antimicrobial resistance using an item response theory approach por Nohrborg, S., Thinh Nguyen-Thi, Huyen Nguyen Xuan, Lindahl, Johanna F., Boqvist, S., Järhult, J.D., Magnusson, U.

“…This study focuses on understanding small- and medium-scale chicken farmers’ knowledge and practices related to AMR by applying an item response theory (IRT) approach, which has several advantages over simpler statistical methods. …”
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Impact of participatory training of smallholder pig farmers on knowledge, attitudes and practices regarding biosecurity for the control of African swine fever in Uganda por Dione, Michel M., Dohoo, Ian, Ndiwa, Nicholas N., Poole, Elizabeth J., Ouma, Emily A., Amia, Winfred C., Wieland, Barbara

“…A total of 830 pig farmers from 32 villages were included in the study, with 425 farmers receiving training, while 405 did not. An item response theory model was used to assess the impact of the training on farmer's KAP. …”
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Development and validation of a food safety system performance tool for African countries por Alonso, Silvia, Oliveira, A.R.S., Mader, R., Iulietto, M.F., Dohoo, I., Thinh Nguyen, Hung Nguyen-Viet, Grace, Delia

“…The scale and its consistency tool were evaluated using Cronbach’s alpha and an Item Response Theory (IRT) model was fitted to explore the discriminatory ability of the scale. …”
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Treatment strategies and antibiotic usage practices in mastitis management in Kenyan smallholder dairy farms por Muloi, Dishon M., Ibayi, Eugine L., Nyotera, Sharon, Kirimi, Hildah, Abdi, Abdullahi M., Mutinda, Silvester M., Abigael, Chemutai, Moodley, Arshnee

“…Data were collected from 114 AHPs and using item response theory, scales were developed to measure attitudes toward udder health, and multivariable linear regression was used to analyse demographic factors associated with these attitudes. …”
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Animal welfare knowledge, attitudes, and practices among livestock holders in Ethiopia por Alemayehu, Gezahegn, Berhe, Tsega, Gelan, Eyob, Mokria, M., Jaldessa, J., Molu, J., Wieland, Barbara, Knight-Jones, Theodore J.D., Doyle, Rebecca

“…A cross-sectional survey covering a range of species and animal welfare aspects was carried out on a total of 197 household (117 pastoral and 80 crop-livestock owners) and recorded information on 34 animal welfare KAP items. Item response theory models (IRT) were fitted to the data from KAP items to estimate the probability of correctly answering an item. …”
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Development and validation of animal welfare knowledge, attitude, and practice assessment tool among smallholder farmers in Ethiopia por Ayalew, Gezahegn, Berhe, Tsega, Mekonnen, Mesfin, Gelan, Eyob, Wieland, Barbara, Knight-Jones, Theodore J.D., Doyle, Rebecca

“…The KAP questions covered a range of species and welfare topics including health and nutrition, resource availability, and behavioral and mental state dimensions of animal welfare. Item response theory models were fitted to the data from reliable items to estimate the probability of correctly answering an item as a function of the respondents’ KAP level. …”
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Antimicrobial use in extensive smallholder livestock farming systems in Ethiopia: Knowledge, attitudes and practices of livestock keepers por Alemu, Biruk G., Amenu, Kebede, Magnusson, Ulf, Dohoo, Ian, Hallenberg, Gunilla S., Alemayehu, Gezahegn, Desta, Hiwot, Wieland, Barbara

“…Twenty-one items were used to assess farmers' KAP. Item response theory (IRT) model and Cronbach's alpha were used to assess the KAP measurement scales. …”
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Knowledge and practices related to antibiotics among poultry producers and veterinarians in two Indian states por Sharma, Garima, Dey, Tushar, Hazarika, R.A., Shome, B.R., Shome, R., Singh, V.P., Deka, Ram P., Grace, Delia, Lindahl, Johanna F.

“…Poultry farmers reported their veterinarians, and we also interviewed them on knowledge and practices related to antimicrobial use in poultry and antimicrobial resistance. Item response theory (IRT) was used to assess the association between the answers and demographic factors. …”
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Antibiotic quality and use practices amongst dairy farmers and drug retailers in central Kenyan highlands por Muloi, Dishon, Kurui, P., Sharma, Garima, Ochieng, Linnet, Ng'ang'a, Fredrick M., Gudda, Fredrick, Muthini, J.M., Grace, Delia, Dione, Michel M., Moodley, Arshnee, Muneri, C.

“…A scale was developed to measure knowledge about AMR and antibiotic use using item response theory, and regression models were used to evaluate factors associated with antibiotic use and AMR knowledge. …”
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Knowledge, attitude, and practices to zoonotic disease risks from livestock birth products among smallholder communities in Ethiopia por Alemayehu, Gezahegn, Mamo, G., Desta, Hiwot, Alemu, Biruk G., Wieland, Barbara

“…A unidimensional two-parameter logistic (2-PL) Item Response Theory (IRT) model was used for zoonotic disease risk KAP scale construction and evaluation. …”
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The CAADP inaugural Biennial Review and Africa Agricultural Transformation Scorecard: Results and areas for improvement por Benin, Samuel, Ulimwengu, John M., Tefera, Wondwosen

“…The other weighting systems considered for the sensitivity analysis include equal weights applied at performance category or indicator level, differential weights based on the ease or difficulty in achieving various commitments using the Items Response Theory (IRT), and differential weighting system that gives more weight to performance categories or indicators that are more directly linked to agricultural transformation.…”
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