The lack of socialization about students’ interest will have an impact on the wrong choice of cross-interest learning. Besides, the lack of teaching staff can also affect errors in the choice of cross-interest learning. This research was conducted to determine the level of effectiveness from cross-interest selection in 11th economics students at SMA Negeri 3 Singaraja in the academic year 2020/2021 based on the dimensions of context, input, process, and product. This study used an evaluative research design with a quantitative approach, and a questionnaire used as the research instrument. The population of this study was 245 students of class XI SMA Negeri 3 Singaraja who received economics learning. The sampling technique used was purposive sampling technique in getting a sample of 176 students. Questionnaires, interviews, and documentation was used to collect the data. The questionnaire was analyzed by using Z-score and T-score descriptive tests. Then the results of the analysis were converted into a prototype Glickman quadratic. From the data analysis, the context dimension is positive (+), the input dimension is positive (+), the process dimension is positive (+), and the product dimension is positive (+).These results indicate that the evaluation of the cross-interest selection of 11th grade students on economics subject at SMA Negeri 3 Singaraja in the academic year 2020/2021 is (+ + + +) located in quadrant I. So that it can be interpreted that the implementation of the cross-interest selection program is classified as very effective.
Selection of the drilling fluid density as specified with the expected deformation of the cross-section of the well
