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THE DESIGN OF
The Extension of SchaieOs Most Efficient Design for Use
Measuring the Social Structure of the Participants in
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1979 by Academic 4J H achievement motivation anomie anthropometric anxiety assessed assumptions attitudes attitudinal behavior Chapter child clusters CN CN cognitive functions cohort effects context correlation coefficients deciduous teeth dental dentist developmental developmental psychology differences estimated factor analysis Figure form reserved groups H 4J immunoglobulin important individual inquiry interdisciplinary investigation longitudinal Mean SD measurement menarche ment milieus mixed-longitudinal Netherlands Nymegen Growth Study observed orthodontic treatment OZ ZZ parents participants and nonparticipants permanent teeth problems psychological questionnaire regression relationship rH rH rights of reproduction sample scale school achievement scores significant social class sociocultural socioeconomic standard deviation structure Table teeth time-of-measurement effects tion typical item values variables variance women ZZ OZ ZZ ZZ ZZ ZZZ ZZZ ZZZ