ERIC Number: ED080312
Record Type: RIE
Publication Date: 1973-Mar
Reference Count: 0
A New Methodology for Test Construction in Course Evaluation.
Aikenhead, Glen S.
A new method of constructing tests is presented in this article for the purpose of developing a test from student perception of the course. The Test on Understanding Science (TOUS) and the Science Process Inventory (SPI) were used as sources of items. A random sub-sample of 921 students, taking both the pretest and posttest of TOUS and SPI during the 1967-68 Project Physics (PP) experimental period, served as sources of empirical data. The McNemar chi square analysis was used to select test items empirically. Every item was analyzed with respect to the changes in student responses between the pretest and posttest. The items showing a statistically significant change in response were combined into a single instrument called "A Measurement of Knowledge About Science and Scientists (Project Physics: Form 1)" (KASSPP1). Another independent random sub-sample of 64 students was tested to describe the statistical attributes of KASSPP1. Findings showed that KASSPP1 had a greater predictive validity for PP than either TOUS or SPI. Application of the present method to formative evaluation was recommended. (CC)
Publication Type: N/A
Education Level: N/A
Authoring Institution: Saskatchewan Univ., Saskatoon. Dept. of Curriculum Studies.
Note: Paper presented at the annual meeting of the National Association for Research in Science Teaching (46th, Detroit, Michigan, March 1973)