In this article, the author begins by discussing four challenges on the concept of validity. These challenges are: (1) the appeal to logic and syllogistic reasoning; (2) the claim of reliability; (3) the local and the universal; and (4) the unitary and the divisible. In language testing validity cannot be achieved directly but only through a…

In this speech, the author covers a lot of ground. In the first half of his speech, the author gives a brief summary of the last 40 years of the history of language testing, from his perspective. The author reviews these years more or less by decade. Additionally, he discusses the evolution of the profession of language testing during this period,…

Presents simplified methods for deriving estimates of the consistency of criterion-referenced, English-as-a-Second-Language tests, including (1) the threshold loss agreement approach using agreement or kappa coefficients, (2) the squared-error loss agreement approach using the phi(lambda) dependability approach, and (3) the domain score…