The term 'Plant Blindness' describes people tending to overlook plants, even though they have an enormous importance for life on earth, especially because of their ability to photosynthesise. Many attempts have been made to counteract plant blindness in biology education. However, so far there is no comprehensive tool to assess the degree of plant…

We investigated how high school mathematics course placement contributes to inequalities in college preparation for students categorized as "English Learners" (ELs), especially "long-term" English Learners (LTELs). We devised a base-2 enumeration approach that allowed us to process complex transcript data from one school…

Students classified as English learners (EL) are a protected class of students with core legal rights. There are clear opportunities to strengthen education policies and practices to improve opportunities and outcomes for EL-classified students. This dissertation is comprised of three studies examining key issues in EL education with the goal of…

Purpose: This study examined the agreement between estimated peak oxygen consumption (VO[subscript 2peak]) obtained from the Progressive Aerobic Cardiovascular Endurance Run (PACER) fitness test and equated PACER laps derived from One-Mile Run time (MR). Methods: A sample of 680 participants (324 boys and 356 girls) in Grades 7 through 12…

Current reforms in the education policy of various countries are intended to produce a paradigm shift in the educational system towards an outcome orientation. After implementing educational standards as normative objectives, the development of test procedures that adequately reflect these targets and standards is a central problem. This paper…

The focus of this study was on increasing the knowledge base on students with disabilities at the secondary level. Data were gathered on 559 classified secondary students with disabilities served in four educational options: cotaught classes, resource rooms, alternate day support programs, and no direct supports. Results indicate that there are…

In the United States, cigarette use is the leading cause of preventable death, and most adult smokers started before the age of 18 years. Nicotine dependence maintains tobacco use and makes quitting difficult. Despite their relatively short smoking histories, many adolescents who smoke are nicotine dependent, and such dependence can lead to daily…

Background: Adolescence may be a crucial period for developing obesity and associated mental health problems. This study examined the relationship of weight status on body image, eating behavior, and depressive symptoms in youth. Methods: A survey was conducted on 1490 youth attending grades 7-12. Participants completed questionnaires on body…

To understand the co-occurrence of multiple types of violence, the authors developed a behavioral typology based on self-reports of suicidal behaviors, physical violence, and psychological abuse. Using a sample of dating adolescents from a high-risk school district, they identified five clusters of behaviors among the 1,653 students who reported…

One of the major problems confronting the leaders of the Nation today is the acute shortage of competent manpower. This problem is recognized in government, business, industry, and education. It has motivated professional groups as well as business and industry to develop incentive programs that have as their aim the proper training and eventual…

The Second International Conference on Educational Data Mining (EDM2009) was held at the University of Cordoba, Spain, on July 1-3, 2009. EDM brings together researchers from computer science, education, psychology, psychometrics, and statistics to analyze large data sets to answer educational research questions. The increase in instrumented…