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[A psychophysiologic time series study with 20 students over 8 weeks]
Abstract:
A longitudinal (time series) study was performed (N = 20 students; T = 16 points of observation during 8 weeks) on a considerable number of psychological and physiological variables to investigate the suitability of these parameters for general and individual state change description. Some problems of correlational analysis and the generality-individuality-dilemma of this kind of research are discussed.