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Four factors of production.1/12/2024 ![]() ![]() Cronbach’s α and ICC of the entire questionnaire were 0.86 and 0.93, respectively. The average CVI for the questionnaire was 0.97. Three items were added to the questionnaire. Resultsįorty-nine of 57 items had a CVR above 0.51 and were retained in the questionnaire. The internal consistency and test-retest reliability were measured using the intraclass correlation coefficient (ICC) and Cronbach’s alpha. Participants included a multidisciplinary expert panel comprising 14 members to evaluate content validity, a sample of lay people to assess face validity (n = 20), internal consistency (n = 300), and test-retest reliability (n = 62). In phase 2, validation of the instrument was performed. During Phase 1, a draft questionnaire was developed based on a comprehensive literature review. The study was conducted in a two-phased standardized methodology in 2019. This study aimed to develop and validate a Persian version of the questionnaire for assessing determinants of organic food purchase intention among adults in Tehran, the capital of Iran. Understanding the factors affecting consumers’ willingness to pay for organic foods is critical to increasing the production of these products. ![]() Organic farming is a relatively new concept in developing countries compared to developed countries. ![]()
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