Writing about history is always fraught with difficulty, as the writer confronted a range of known and unknown material. This what occurred me when I wrote February 2022 column [1] in which described how some scientific areas were made possible by developments radar ...

There is increased emphasis on using experimental and quasi-experimental methods to evaluate educational programs; however, educational evaluators and school leaders are often faced with challenges when implementing such designs in educational settings. Use of a historical cohort control group design provides a viable option for conducting quasi-experiments in school-based outcome evaluation. A...