7. Methodology
7.1 Population and Data Collection.
The researchers choose (6) firms specialized in industrial food sector and it was chosen based on the size and profitability. The sample represented by the firms which specific in food industry in Jordan, and the sample has been chosen from (6) firms, which firms that apply green manufacturing concepts and which got the ISO 14001 related to environment.
7.2 Data Collection Method
Primary Data: the researcher used the questionnaires as a primary data, while secondary data has been used as literature, books, articles, case studies, and website in order to help preparing the theoretical framework and the whole study.
7.3 Validity and Reliability.
Validity for the questionnaire was evaluated from four members of Applied Science University. Study reliability were calculated by using test pre-test, in which the researcher applies the study tool on a sample of 50 customers of the sample, after three weeks the sample was tested again, the consistency percentage was 85%; and to make sure of the results the researcher computed Cranach's alpha for all the domains and the whole tool, the value (0.89). The following table 1 showed the Cronbach alpha for each dimensions of green supply chain management practices, and also the dimensions of organizational performance, and also the table showed the factors loadings value for each dimensions of the study. While the factor loadings' value ranging between moderate and high, which indicated that the questions were effectively fit for the dimensions and variables of the study.
7. Methodology7.1 Population and Data Collection.The researchers choose (6) firms specialized in industrial food sector and it was chosen based on the size and profitability. The sample represented by the firms which specific in food industry in Jordan, and the sample has been chosen from (6) firms, which firms that apply green manufacturing concepts and which got the ISO 14001 related to environment.7.2 Data Collection MethodPrimary Data: the researcher used the questionnaires as a primary data, while secondary data has been used as literature, books, articles, case studies, and website in order to help preparing the theoretical framework and the whole study.7.3 Validity and Reliability.Validity for the questionnaire was evaluated from four members of Applied Science University. Study reliability were calculated by using test pre-test, in which the researcher applies the study tool on a sample of 50 customers of the sample, after three weeks the sample was tested again, the consistency percentage was 85%; and to make sure of the results the researcher computed Cranach's alpha for all the domains and the whole tool, the value (0.89). The following table 1 showed the Cronbach alpha for each dimensions of green supply chain management practices, and also the dimensions of organizational performance, and also the table showed the factors loadings value for each dimensions of the study. While the factor loadings' value ranging between moderate and high, which indicated that the questions were effectively fit for the dimensions and variables of the study.
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