Classical and Modern Test Theory in Developing and Validating Language Test

"At the time when psychometrics as a field of human inquiry that concerns itself with the theory and technique of psychological measurement was taking its first steps, , and had yet to capture the imagination of researchers. However, those were the days when humankind was trying to establish a foothold in the hard sciences for describing phenomena somewhat less tangible than before, such as measurement of both skills and knowledge, human abilities and attitudes personality traits, and, what is of particular interest to this book, educational achievement."[chapter 1]