In an attempt to restore the symmetry and balance between the study of person and item variation, this paper presents a novel methodology construct specification equations, which allows one to ascertain from the lawful behavior of items what an instrument is measuring. (Author/PN)

Examined the validity of eight socioeconomic status measures as reported by adolescents and compared to information from their mothers. Found relatively high agreement between adolescents and mothers, supporting criterion validity. Found that most adolescent-reported measures varied systematically and in the expected direction with mothers' income…

Paper read at the Groves Conference on the Family, Boston, Massachusetts, 1968.

Examined, through analysis of questions about conflict between separated parents (N=327), three hypotheses about the relationship among frequency and intensity response questions. Found associations among related intensity items possibly stronger than those among related frequency items; associated intensity items and associated frequency items…

Since the use of bibliometric instruments has grown and will continue to grow in the future, the quality, availability, and accessibility of data on publications and citations is of tantamount importance. But equally important is a correct use of the data. This means that an important task of the bibliometric field is to highlight not only what…

Attitudes and attitude measurement are critical components of teaching and learning and the instructional developer should collect as much relevant data about that process as possible. It is important for instructional developers to study the attitudes of learners in order to demonstrate attitude/achievement relationships, promote attitudinal…