Recently adopted state standards for middle grades and high school mathematics content have an increased emphasis on statistical topics. With this change, teacher education programs may need to adapt how they prepare preservice secondary mathematics teachers (PSMTs) to teach statistics and require measures related to statistics teaching to assess…

The psychometric properties of the Life Perspectives Inventory (LPI-English language version), a new instrument designed to assess characteristics associated with nonreligious spirituality in high school-age adolescents, were examined in two phases. Phase 1 demonstrated the survey's factorial validity and internal consistency and the test-retest…

The Climate Change Attitude Survey is composed of 15 Likert-type attitudinal items selected to measure students' beliefs and intentions toward the environment with a focus on climate change. This paper describes the development of the instrument and psychometric performance characteristics including reliability and validity. Data were gathered…

In this study, the authors connect 3 streams of literature to develop an instrument for measuring the degree to which principals engage in data-informed decision making on high-impact strategies that are empirically associated with higher student achievement. The 3 literature streams are (a) the importance of data-informed decision making, (b) the…

This article introduces two new classification consistency indices that can be used when item response theory (IRT) models have been applied. The new indices are shown to be related to Rudner's classification accuracy index and Guo's classification accuracy index. The Rudner- and Guo-based classification accuracy and consistency indices are…

The purpose of this research was to evaluate the psychometric properties of Friedman's (1999) Teacher Work-Autonomy Scale (TWA) in order to determine whether it was an acceptable instrument to measure U.S. teachers' autonomy in the present educational context. A second purpose was to ascertain the current status of teachers' perceptions of their…

English language learners (ELLs) with disabilities are an increasing presence in schools in the United States. Title I and Title III of the Elementary and Secondary Education Act require that these students meet the same academic grade-level standards and participate in content assessments as their fluent-English speaking peers without…

This study examined factors associated with the curriculum and instructional environments for secondary students with mild mental retardation, based on teacher report. A survey was mailed to 378 secondary special education teachers in Michigan. Teachers provided demographic information and answered questions regarding curriculum and instructional…