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The purpose of this study explains the effectiveness of the student activity sheet model to enhance scientific creativity and student learning outcomes and student responses to the learning process. The research design used pre-experimental with one group pretest-posttest design. The study's subject was the student activity sheet (SAS) model and the implementation of primary teacher Education undergraduate students who programed a science introductory concept course during the 2019.1 registration at Open University. Data collected using test methods and questionnaires with product cognitive test instruments, cognitive process tests, scientific creativity tests and student questionnaire responses. Data analyzed by t-test and the proportions calculated. Normality test and homogeneity test are done before the t-test is applied. Increased creativity and student learning outcomes are calculated using normalized N-Gain. The results showed: 1) Improvement of students' scientific creativity after joining learning in the medium category. 2) Improving student learning outcomes after participating in learning in the good category. 3) Student responses to the learning process in the positive category. Based on the above, it can be concluded that the application of student activity sheet model used in learning activities to improve scientific creativity competency and student learning outcomes is effective.

Open University is needed to meet the needs of studying without being limited by space, time, amount, cost, age, and distance with a quality tutor. This study aims to describe the ideal form of tutor recruitment, the role of tutors and get quality tutors. This survey research was conducted at the Distance Learning Program Unit (DLPU) Surabaya with data collection methods through observation, interviews, questionnaires and documentation. Sources of data were obtained from Study groups, Tutors, Department of Education, Regional Responsibility in the tutorial period 2019.1 and 2019.2. Data were analyzed descriptively. The results showed that: (1) The ideal form of tutor recruitment is through tutor selection, through the tutor candidate test, through agency recommendations and special offers. (2) The role of tutors in the professional learning process is that tutors are still needed for certain subjects, as innovators and motivators, to play a role in reducing dropout. (3) To get quality tutors and not only as a part-time job so that tutors in working remain professional is to build a sound system. The obligations and rewards that are received appropriately. Between taxes and a decent income. Also, between expertise or rank need to be adjusted to the level of compensation which is given.

This study aims to produce a valid and effective Pictorial Riddle-based Student Activity Sheets (SAS) that can improve student’s representation skills. The development of Student Activity Sheets uses four D models (Define, Design, Develop and Desseminate) from Thiagarajan. The trial was limited to Open University students in Bojonegoro study group using one shot case study. The research data was collected using validation, observation, tests and questionnaires with validation sheet instruments, observation sheets, learning outcomes tests and questionnaires. Data were analyzed using quantitative and qualitative descriptive analysis, N-gain and t-test. The results of the study show: 1) SAS that was developed are fulfilling in terms of content and construct validity; 2) SAS that was developed are validity criteria fulfilling effectiveness criteria in terms of improving student representation skills and having positive responses. Based on the above, it can be concluded that SAS are valid and effective to improve the representation ability of prospective teacher students.