Kowalski and Zimiles (2006) and O'Hanlon and Roberson (2006) address an age-old question: Why do children find it difficult to learn color terms? Here these articles are reflected on, providing a focused examination of the issues central to this question. First, the criteria by which children are said to find color naming difficult are considered.…

This paper is the transcript of a talk given to those who use test information but who have little technical background in test theory. The concepts of modern test theory are compared with traditional test theory, as well as a probable future test theory. The explanations given are couched within an extended metaphor that allows a full description…

An alternate-choice test item is a simple declarative sentence, one portion of which is given with two different wordings. For example, "Foundations like Ford and Carnegie tend to be (1) eager (2) hesitant to support innovative solutions to educational problems." The examinee's task is to choose the alternative that makes the sentence…

In examining why performance scores on writing tests so often fail to improve in neat positive intervals for individuals and groups, testers have sought the answer in differences in test conditions on progressive retestings. Two other sources of performance variation are possible: the U-shaped learning curve or phenomenon of apparent regression…