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Flat foot is a common foot condition in humans and can lead to health problems if not properly managed. Education on flat foot prevention is very important to increase awareness and knowledge within the toddler community regarding ways to prevent and manage flat foot conditions. This study aims to determine the effectiveness of educational interventions in improving awareness and knowledge of parents of toddlers regarding flat foot prevention in Madyopuro Village, Kedungkandang District, Malang City. The methods used included counseling and educational sessions on flat foot prevention, as well as evaluation of mothers’ and children’s knowledge and awareness before and after the educational intervention. The results showed that education was effective in increasing parents’ awareness and knowledge regarding flat foot prevention. Therefore, education on flat foot prevention can serve as one of the strategies to reduce the prevalence of flat foot among children in Madyopuro Village, Kedungkandang District, Malang City.

The Clash of Champions educational competition program by Ruangguru not only offered academic challenges but also provided a high level of verbal interaction, particularly in the use of expressive speech. This study aims to analyze the use of expressive speech in the program, focusing on episodes one to five. Expressive speech refers to utterances that convey the speaker's emotions, such as praise, gratitude, or apologies. The method used in this study is qualitative descriptive, utilizing a data-collection technique based on assent with a derivative of participant observation. Data analysis is conducted using the pragmatic method to identify the types of expressive speech present. The study also used pragmatic approaches to describe the speech of others as well as that of expressive speech. The study indicates that there are eight types of expressive speech, including acts of flattery, praise, gratitude, belittlement, guilt, complaint, and apology. Flattering speech is found to be the most dominant, providing emotional support for the competition participants. It is hoped that this study will contribute to a better understanding of language use in educational and competitive contexts, fostering a positive and supportive atmosphere in the learning process.

Hair stylists in using curly iron are still not varied, students still use flat iron rather than curly iron for hair styling. The purpose of this research is to determine the comparison of the results and curl durability of curls using a 25 mm diameter curling iron and a 38 mm diameter curly iron for Hollywood Wave wavy hair styling. This research uses pre-experimental research methods. The sample in this research was 6 Cosmetology and Beauty students class of 2020. Data collection techniques using observation and documentation. The data analysis techniques uses descriptive analysis, prerequisite tests, namely normality tests and homogeneity tests, and hypothesis tests. The results of research from the comparison of Hollywood Wave wavy hair styling showed that the results of the curl shape using 25 mm and 38 mm diameter curly iron were considered quite neat, and from the aspect of curl durability or hair waves were considered resistand using a 25 mm diameter curly iron. And there is a significant difference in Hollywood Wave wavy hair styling using a 25 mm diameter curly iron with a 38 mm  diameter which is proven by the significance value obtained of 0,000. This research can be used as education abaout the use of curling tools with different diameters, and it is recommended to use a 25 mm diameter curly iron for styling Hollywood Wave hair because the waves are more “S” shaped.

The research method used in this study is the research and development method or also called Research and Development. The research design that will be developed in this study uses the development model presented by Borgan Gall. The product produced in this study is an Arduino Nano-Based Distance Measuring Tool with a Display on the LCD on the Flat Side Room Building Material for Class VIII at SMP Negeri 5 Sepauk. The test subjects of this study included two subjects. The first subject is the validator and the second is class VIII students of SMP Negeri 5 Sepauk. The analysis technique used is to determine the effectiveness, practicality, and validity. The percentage of effectiveness from the average of the two analyzes obtained a percentage value of 94.06% with Very Effective criteria used in learning mathematics. The results of the combined teacher and student response questionnaires - the average percentage obtained was 89.55% with very practical criteria. The combined results of the average percentage obtained from the percentage of experts and the results of the measurement trials obtained a percentage of 76,36% with very valid criteria.