In this work, we introduce a novel oversampling technique, the theory of inheritance and Gower distance-based oversampling (TIGO) method, designed to address class imbalance issues in mixed categorical and continuous variables data set. Drawing inspiration from genetic inheritance principles, TIGO synthesizes new minority class data,…

Data are everywhere. Data collected from samples are often reported in the form of polls, medical studies, and advertisement information and an understanding of sampling distributions and statistical inference is important for evaluating data-based claims (Bargagliotti et al., 2020). Despite the importance of understanding statistical inference…

The development in information science has enabled an explosive growth of data, which attracts more and more researchers to engage in the field of big data analytics. Noticeably, in many real-world applications, large amounts of data are imbalanced data since the events of interests occur infrequently. Classification of imbalanced data is an…

The purpose of this qualitative grounded theory study was to create a student leadership development model specific to secondary students in a private Christian Hawaiian school system. The paradigm that guided this study was Kouzes and Posner's (2012) transformational leadership theory as it provides a framework of leaders equipping, encouraging,…

The presence of outlying anchor items is an issue faced by many testing agencies. The decision to retain or remove an item is a difficult one, especially when the content representation of the anchor set becomes questionable by item removal decisions. Additionally, the reason for the aberrancy is not always clear, and if the performance of the…

The purpose of the present research was to investigate secondary school counselors' perceptions of counseling services for student-athletes who plan to transition to colleges or universities. The research used a qualitative, grounded theory approach. Ten secondary school counselors were interviewed using a standard, open-ended format (Patton,…

The purpose of this mixed methods phenomenological study was to explore the data-driven instructional decisions that elementary teachers make in literacy. Educators have moved towards a culture of being data-driven, and have declared data use in schools to be significant to school improvement and accountability (Marsh, Pane, & Hamilton, 2006).…

The purpose of this multiple case study was to examine the mentoring relationship between principals and their teachers in regards to instructional practice at three demographically diverse elementary schools. Multiple data sources were used to conduct qualitative research which resulted in extensive data collection and analysis. The collection of…

This study explored the perceptions and perspectives of African American male students with regard to their experiences in a youth development initiative sponsored by a community-based organization. This examination aimed to ascertain the aspects of the program that, first, prompted the students to be a part of the initiative, but also those…

Problem: An increasing number of high-achieving American high school students are enrolling in multiple Advanced Placement (AP) courses. As a result, high schools face a growing need to understand the impact of taking multiple AP courses concurrently on the social-emotional lives of high-achieving students. Procedures: This phenomenological…