Discusses and explains experimental validity, including both internal and external validity, in terms that a classroom teacher can understand and use in his own research. (CK)

Outlines a class project in which students explore characteristics of paper towels and paper towel advertising. Students design a variety of experiments related to paper towels and their claims. Provides four activities. (DDR)

This paper suggests an inexpensive way for encouraging discussions of experimental design and data interpretation for all grade levels. The discussion begins with the presentation of a graph or table from the scientific literature. Questions are then asked in six steps to promote an understanding of the information contained. (PR)

Presents a fun, inexpensive, and pedagogically useful laboratory exercise that involves indoor studies of the dispersal properties of the winged fruits (samaras) of boxelder trees. Engages students in the process of hypothesis testing, experimental design, and data analysis as well as introducing students to important concepts related to…

Describes a research model developed by Jamie McKenzie that integrates technology and information literacy skills through a research project. Highlights include the need to teach information literacy skills in schools; research questions; planning research; evaluation of the research; and reporting, or creating a final product. (LRW)

Describes a performance-based assessment approach utilizing science activities and questions to assess different levels of thinking. Objectives, materials, and procedures are provided for the assessment of student skills in classification, observation and inference, interpretation, and analysis. (PR)

Suggests a core curriculum for information access skills in automated school library media centers. Student activities are described for six main areas: designing an effective research question, understanding a database, designing a simple search strategy, more advanced search strategies, understanding a computer citation/abstract, and documenting…

Classroom teachers need to make sound judgments and decisions concerning curricular and instructional issues. The teachers who wish to become more effective in the classroom should learn to develop their own research designs since educational research reported in journals is often inconclusive, conflicting, or not relevant to the classroom…

Science fairs represent the culmination of student research efforts under the guidance of teachers and other persons interested in science topics. The total scientific process should be involved in the development of a project which results in a science fair exhibition. The student should learn to recognize problems, plan an experiment, gather and…