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…

Supporting the contention that using experimental research designs will facilitate sound decisions about how to teach the composing process, this paper first describes briefly the range of research methods available for investigating the writing process. Next the paper discusses the advantages of conducting experimental research, some of which are…

Finds that introductory psychology textbooks present limited and often confusing coverage of research methods. Presents two research models that delineate separate dimensions for data collection procedures, research designs, and research settings. Contends that these models provide better coverage of research strategies. Includes suggestions for…

A study compared the benefits of using the Hewlett-Packard HP-41CV hand-held computer, as opposed to conventional training without computers, in teaching mathematics to fire control systems repairers. Thirty soldiers in a course to train fire control systems repairers received training in technical mathematics using the hand-held computer, whereas…