Futurology and planning

This paper is not intended to be an exhaustive exposition of futurological and predictive studies, but rather an indication of the kinds of approach which institutes devoted to this subject are making, methods used and the ideas which are being developed.     

A description of the extreme aged population based on improved medicare enrollment data

The mortality and size of the extreme aged population can be studied most accurately with Medicare enrollment data from the Social Security Administration's Master Beneficiary Record after certain types of questionable records are eliminated. With the improved data base we find that mortality rates at the very old ages are higher than published rates, we are more confident of the reality of the race crossover, and we can estimate the number of centenarians more accurately. Furthermore, a large matched-records study shows close agreement on age at death between the Master Beneficiary Record and the death certificate.     

On van Ijzeren’s approach to international comparisons and its properties

This paper provides a comprehensive exposition of Van IJzeren’s approach to international comparisons of purchasing power and real GDP. Important features of this approach are: symmetrical treatment of price level and volume comparison; retaining a relationship between levels and indexes; and using identical country weighting structures within the “international” prices and quantities. It is shown that the Van IJzeren method is superior to the well-known Geary-Khamis method. At the same time the paper can be seen as a defense of the EKS method.     

Student Perception As Moderator For Student Wellbeing

Student motivation as well as student perception of interpersonal teacher behaviour are linked to the sense of wellbeing at student level. However, while most of the variance in the measurement of student wellbeing was situated at student level, eleven percent of variance was found at classroom level. In this article we focus on this variance at classroom level and the moderating role that student perception of interpersonal teacher behaviour has. From an interpersonal perspective on teaching, the relationship between teacher wellbeing, perceptions of interpersonal teacher behaviour, and student wellbeing is examined. Grade 9 students of technical and vocational training schools are participating in this study. In the analyses a distinction is made between teaching academic subjects and teaching vocational subjects. There appears to be a direct link between the wellbeing of the teachers of academic subjects and the wellbeing of their students. Students who perceive their academic teacher as leading, helpful and friendly score higher on wellbeing, while wellbeing decreases when an academic teacher is perceived as strict and admonishing.The relationship between the teacher of vocational subjects who typifies himself as strict and admonishing, and the wellbeing of his students, is moderated by student perceptions of teacher interpersonal behaviour. A direct relationship between the wellbeing of the vocational teacher and the wellbeing of students is not found. Only when the vocational teacher's wellbeing is high and student perceptions of uncertain or dissatisfied interpersonal teacher behaviour is low, does student wellbeing increase. We conclude that for vocational subjects, student perceptions of interpersonal teacher behaviour are crucial moderators. Finally, students who are highly motivated to learn practical subjects, have a higher score on student wellbeing. By contrast, the fact that education is inherently obligatory has a negative influence on student wellbeing.     

Mortality by nativity

This note reports the reversal of the mortality-nativity relationship in the United States. In the first half of the twentieth century, mortality among foreign-born Americans was greater than among (white) native Americans. Data for 1980 show that now mortality among the foreign-born is markedly lower than among native Americans.