Foreign language aptitude is defined as one's potential to learn a second language. A language learner with higher aptitude is predicted to learn more, faster, and reach a higher level of proficiency. If this is the case, one way to validate the construct of aptitude and its measure is to conduct a validation study in which measures of aptitude is…

The book is designed to help language teachers write better tests, taking the view that test construction is an exercise in problem-solving, with every teaching situation presenting a different problem that an understanding of the underlying principles of testing can help solve. Examples are given from testing of English as a Second Language…