Studied the importance of occasion as a source of error variance in estimates of the dependability (generalizability) of science assessment scores and the Interchangeability of science test formats. Junior high school students (n=662) took hands-on and paper-and-pencil tests twice. Results show that recognizing occasion as a facet of error alters…

Differential item functioning (DIF) analyses are a routine part of the development of large-scale assessments. Less common are studies to understand the potential sources of DIF. The goals of this study were (a) to identify gender DIF in a large-scale science assessment and (b) to look for trends in the DIF and non-DIF items due to content,…

The No Child Left Behind Act of 2001 includes requirements for annual state science assessments in elementary, middle, and high school. These assessments must be aligned with state academic content and achievement standards and involve multiple measures, including measures of higher-order thinking and understanding. This article addresses the…

Some studies show students successfully learning science through online courses. This study compared students doing an online and in-class lab exercise on cell division. Online students performed slightly but significantly better on a follow-up content quiz, however, about half those expressed a strong preference for in-class lab work.

This study compares overall laboratory averages and individual test scores along with a student survey to determine the effects of using virtual microscopy in place of optical microscopes in a large undergraduate human anatomy course. T-tests revealed that the first two laboratory examinations (of four) and the overall laboratory averages were…

There is evidence that student beliefs about science and classroom instructional strategies are related to achievement outcomes. This study was designed to examine relationships between student beliefs about science, instructional activities, and science achievement of elementary-school students in Japan. Students included in this analysis were…

The purpose of this document is to provide background information that will be useful in interpreting the 2007 results from the Trends in International Mathematics and Science Study (TIMSS) by comparing its design, features, framework, and items with those of the U.S. National Assessment of Educational Progress and another international assessment…

This article describes the development and validation of the Light and Spectroscopy Concept Inventory (LSCI), a 26-item diagnostic test designed (1) to measure students' conceptual understanding of topics related to light and spectroscopy, and (2) to evaluate the effectiveness of instructional interventions in promoting meaningful learning gains…

International comparisons help us explore the assumptions made about U.S. schools, students, and pedagogy. That is why the author decided to spend five months in the Czech Republic teaching science education courses at Palacky and Ostrava Universities and learning about the Czech education system. As a result, the new context challenged his…

Assessment is an integral and vital part of teaching and learning, providing feedback on progress through the assessment period to both learners and teachers. However, if test items are flawed because of misconceptions held by the question setter, then such test items are invalid as assessment tools. Moreover, such flawed items are also likely to…

This paper reports findings on the changes in students' understandings of the concept of matter during an academic year, for students from grade 3 through high school chemistry. The instrument for measuring students' understandings of matter consists of three forms: one for grades 3-6, one for grades 7-9, and one for grades 10-12. The three forms…

The purposes of this study were to: (1) examine whether or not the construction of concept maps by students improves their achievement and ability to solve higher order questions in chemistry, (2) investigate the differential effect of the treatment by gender and achievement level, and (3) explore the relationships between performance on concept…

Our experience suggests that pre-service primary school teachers have problems with learning science, especially chemistry, and that this negative attitude towards science influences their future teaching. On that premise, the purpose of the study was to determine the level of the pre-service primary school teachers' intrinsic motivation for…

This document describes a database of information for those who want to learn more about current efforts to redesign assessment to match changing goals for students and instruction. The database contains descriptive information on alternative assessments in science and mathematics that cover all grade levels, levels of assessment (classroom to…

This document is one of a series developed by the American Federation of Teachers to help fill a chasm in knowledge regarding world wide educational goals. It is intended that this document serve as a resource to anyone involved in setting or evaluating academic standards for students, whether at the national, state, local or school level. This…