A scaling procedure has been developed for ordering binary parallelogram preference data. The procedure uses minimum variance of the item ranks averaged across persons as the optimization criterion. Two seriation strategies are employed. One is pairwise interchange. The second joins together the vector end points and breaks this circle between…

Ten years of instrument development are summarized and placed within a framework for assessing the impact of technology in education. Seven well-validated instruments spanning the areas of attitudes, beliefs, skills, competencies, and technology integration proficiencies are presented, along with data analysis examples. These instruments are…

The usefulness of studying thought processes in the construct validation of ability tests was examined using a sample consisting of 343 Canadian senior high school students. Four levels of probing were used by the interviewer to examine the students' thinking processes while taking the Test on Appraising Observations: (1) think aloud; (2)…