This study explores misperceptions about peer norms in support of telling authorities about weapons at school and whether perceptions predict personal support for telling authorities. Anonymous surveys were conducted among youth in 30 schools (Grades 5-12) in six states (n = 12,903) between 2006 and 2014. Personal support for telling principals,…

One of the foundational assumptions in education is that greater teacher knowledge contributes to greater gains in student knowledge, but empirical evidence in support of this assumption is scarce. Using a U.S. sample of 79 biology teachers and their 2749 high school students, we investigate whether teachers' subject matter knowledge (SMK) and…

This study involves the development of a three-tier diagnostic test to measure high school students' understanding of states of matter concepts. The States of Matter Diagnostic Test (SMDT) is a 19-item three-tier diagnostic test consisting of three-tier items for assessing students' understanding of states of matter concepts. The SMDT was…

This study was conducted to (a) explore high achieving high school students' perceptions of the teaching profession, (b) examine the influence of these perceptions on intentions to teach, and (c) test a recruitment suite of tools to determine the effectiveness of recruitment messaging and strategies. The Theory of Planned Behavior (TPB)…

In this study, students' understanding of chemical changes was investigated in relation to four individual differences, related to logical thinking, field dependence/independence, convergence and divergence thinking. The study took place in Greece with the participation of students (n = 374) from three grades (8th, 10th and 12th grades) of…

Choosing a college is one of the first important decisions that many young adults undertake. Popular media suggests how students should find an appropriate college based on traditional practices (Hallet, 2008; Kulman, 2007), yet, many aspects of the reality experienced by new kinds of students and colleges is largely ignored in the college choice…

The aim of this study is to investigate Emiratii high school students' understandings of stoichiometry, their use of metacognitive strategies, and the influence of students' use of metacognitive strategies on their understandings of stoichiometry. Two instruments were used in this study, the first to measure students' understandings of…

The 12th iteration of the International Conference on Educational Data Mining (EDM 2019) is organized under the auspices of the International Educational Data Mining Society in Montreal, Canada. The theme of this year's conference is EDM in Open-Ended Domains. As EDM has matured it has increasingly been applied to open-ended and ill-defined tasks…