In a modern yet demanding society, scientific literacy (SL) is an essential skill that enables the individual to explain, understand and discuss issues related to science, health, and the environment. The purpose of this research study is to validate the Scientific Literacy Assessment (SLA) tool in the Greek language and investigate the level of…

Educators and researchers highlight the important role that math plays as a consequential gateway to upward mobility in the United States (and globally). The purpose of this study was to develop a survey for teens in middle school and high school, to capture information about their math mindsets, identities, experiences studying math, and…

The instrument of mathematics enrolment choice motivation (MECM) is designed to measure factors that influence students' decisions to keep or drop mathematics in Year 11. Using survey responses from 289 Year 11 students, this paper presents the initial form of the instrument, examines its factor structure, internal consistency and discriminant…

States and districts have expressed interest in administering the ACT® to 10th-grade students. Given that the ACT was designed to be administered in the spring of 11th grade or fall of 12th grade, the appropriateness of this use should be evaluated. As such, the focus of this paper is to summarize empirical evidence evaluating the use of the ACT…

As engagement with science, technology, engineering, and mathematics (STEM) increases in after-school programs (ASPs), it is important to examine the impact of this engagement on students' academic achievement, STEM participation, and affinity toward STEM. Results of these examinations can offer insights into both best practices that could be…

In this article we describe the development of the Chemistry Attitudes and Experiences Questionnaire (CAEQ) that measures first-year university chemistry students' attitude toward chemistry, chemistry self-efficacy, and learning experiences. The instrument was developed as part of a larger study and sought to fulfill a need for an instrument to…

A study involving 1,523 students (grades 6-8) investigated the validity and internal consistency alpha reliability of My Class Activities, an instrument used to measure students' perceptions of classroom interests, challenges, choice, and enjoyment. Confirmatory factor analysis, item response theory, and alpha reliability information supported…

This study examined the separate and joint use of high school course grades, course work taken, and American College Testing Program (ACT) Assessment subject area scores for making course placement decisions. The data for this study were obtained from nine institutions through their participation in a pilot study of the ACT Course Placement…

This study assessed whether or not the American College Test (ACT) is a good predictor of college success for students at Trinity Christian College in Palos Heights (Illinois) for students entering as freshmen in the fall semesters of 1988, 1989, 1990, and 1991. The total population of 477 included 188 males and 289 females. ACT scores, high…

This study is second in a series demonstrating that achievement tests are multidimensional and that using psychologically meaningful subscores in national educational surveys can enhance test validity and usefulness. National Education Longitudinal Study 1988 (NELS:88) 8th- and 10th-grade science tests were subjected to full information item…

In 1991, a study was conducted to determine the differential effects of placement testing on cultural, linguistic, and ethnic groupings in the San Diego Community College District (SDCCD). The study was conducted in two parts. The first part examined the characteristics of the students used to norm the Comparative Guidance Program (CGP) tests used…