# Data from Jordan subset of PISA 2006 data The data stem from the large-scale assessment study PISA 2006 (Organisation for Economic Co-Operation and Development, 2009) where competencies of 15-year-old students in reading, mathematics, and science are assessed using nationally representative samples in 3-year cycles. In this example, data from the student background questionnaire from the Jordan sample of PISA 2006 were used. Only data of students with complete responses to all 15 items (N = 6,038) were considered. data ```r data(jordan) ``` ## Format A data frame of fifteen variables and 6,038 observations: - **x1**: indicator for enjoyment of science, item ST16Q01: I generally have fun when I am learning topics. - **x2**: indicator for enjoyment of science, item ST16Q02: I like reading about . - **x3**: indicator for enjoyment of science, item ST16Q03: I am happy doing problems. - **x4**: indicator for enjoyment of science, item ST16Q04: I enjoy acquiring new knowledge in . - **x5**: indicator for enjoyment of science, item ST16Q05: I am interested in learning about . - **x6**: indicator for academic self-concept in science, item ST37Q01: I can easily understand new ideas in . - **x7**: indicator for academic self-concept in science, item ST37Q02: Learning advanced topics would be easy for me. - **x8**: indicator for academic self-concept in science, item ST37Q03: I can usually give good answers to on topics. - **x9**: indicator for academic self-concept in science, item ST37Q04: I learn topics quickly. - **x10**: indicator for academic self-concept in science, item ST37Q05: topics are easy for me. - **x11**: indicator for academic self-concept in science, item ST37Q06: When I am being taught , I can understand the concepts very well. - **y1**: indicator for career aspirations in science, item ST29Q01: I would like to work in a career involving . - **y2**: indicator for career aspirations in science, item ST29Q02: I would like to study after . - **y3**: indicator for career aspirations in science, item ST29Q03: I would like to spend my life doing advanced . - **y4**: indicator for career aspirations in science, item ST29Q04: I would like to work on projects as an adult. ## Source Organisation for Economic Co-Operation and Development (2009). **Pisa 2006: Science competencies for tomorrow's world** (Tech. Rep.). Paris, France. Obtained from: [https://www.oecd.org/pisa/pisaproducts/database-pisa2006.htm](https://www.oecd.org/pisa/pisaproducts/database-pisa2006.htm) ## Examples ```r data(jordan) ```

jordan function