This research was conducted to improve learning outcomes on number sorting material using numerical jersey media in grade II SDN 02 Rowoyoso. This study uses a class action research method that uses II cycles in which each cycle consists of planning, implementing, observing, and reflecting activities. The data collection techniques used are observation, tests, and documentation. The results of classroom action research found that numerical jersey media can improve student learning outcomes. In the first cycle student learning outcomes were 55.55% (10 students who completed) and 44.44% (8 students who were not completed). While in cycle II student learning outcomes increased to 86.66% (13 students who completed) and 27.77% (5 students who have not completed). So it can be concluded that students experience improved learning outcomes and achieve the minimum completeness criteria determined.

Self-control is a major component of the ability to override or change responses within oneself, as well as eliminate undesirable behavioral tendencies and refrain from an action taken. The target of the study was young non-commissioned officers aged 18 to 21 years. The purpose of this study was to determine self-control in young non-commissioned officers of the Surakarta Police. To obtain an overview of the level of self-control in young non-commissioned officers of the Surakarta Police. The number of samples used in this study was 7 people and the data collection techniques used in the study were observation and interviews. The results of this study indicate that the seven young non-commissioned officers of the Surakarta Police have good self-control, the seven members can control themselves with their respective strategies.