This new combination volume of three-books-in-one, dealing with the topic of artifacts in behavioral research, was designed as both introduction and reminder. It was designed as an introduction to the topic for graduate students, advanced undergraduates, and younger researchers. It was designed as a[...]

Because of the complexity of human behaviour a great many research variables must be constructed from the building blocks of human judgement. A teacher's warmth, a psychotherapist's ability to create rapport, a patient's inner state - these all tend ultimately to be defined by the judgements of othe[...]