Deterministisches Chaos: Einige Wissenschaftstheoretisch Interessante Aspekte

Deterministic Chaos: Some Interesting Points of View from the Philosophy of Science. A comparatively simple example is used to present some of the main features of deterministic chaos. From the point of view of the philosophy of science, three questions are dealt with: if the equations of motion of chaotic systems are falsifiable in a strict sense; whether experiments on chaotic systems are reproducible; to what extent the development of chaotic systems is predictable. It emerges that in these respects chaotic systems, though being deterministic, behave essentially in the same way as stochastic (indeterministic) systems do.     

Co-morbidity of crying and feeding problems with sleeping problems in infancy: Concurrent and predictive associations

The co-morbidity of crying, feeding and sleeping problems at 5 months of age was investigated in a representative sample of 432 infants in South Germany. A crying, sleeping or feeding problem was reported in 32.7% of these infants by their parents and a further 14.6% had two or more of these problems. Little co-morbidity between crying and feeding problems was found. There were moderate to strong associations between crying and sleeping behaviours. Feeding problems showed little relationship to sleeping behaviour, but feeding type and frequency of feeds were related to night waking. Breastfed infants woke much more often at night. Crying and feeding problems at 5 months were poor predictors of sleeping behaviour at 20 or 56 months of age. Later sleeping behaviour was best predicted by infant sleeping behaviour. At 56 months, maternal distress due to sleeping and co-sleeping practices was predicted by maternal distress due to crying and feeding practices at 5 months of age. The predictions were significant but generally weak to modest in strength. Future studies on the consequences of crying or feeding problems should take into account patterns of co-morbidity. So-called ‘post-colicky’ sleep problems are not due to increased crying per se but rather appear to be the consequence of associated infant sleeping problems and parental caretaking patterns for dealing with night waking in infancy.     

Minimal cues in the vocal communication of affect: Judging emotions from content-masked speech

Vocal expressions of emotions taken from a recorded version of a play were content. masked by using electronic filtering, randomized splicing and a combination of both techniques in addition to a no-treatment condition in a 2×2 design. Untrained listener-judges rated the voice samples in the four conditions on 20 semantic differential scales. Irrespective of the severe reduction in the number and types of vocal cues in the masking conditions, the mean ratings of the judges in all four groups agreed on a level significantly beyond chance expectations on the differential position of the emotional expressions in a multidimensional space of emotional meaning. The results suggest that a minimal set of vocal cues consisting of pitch level and variation, amplitude level and variation, and rate of articulation may be sufficient to communicate the evaluation, potency, and activity dimensions of emotional meaning. Each of these dimensions may be associated with a specific pattern of vocal cues or cue combinations. No differential effects of the type of content-masking for specific emotions were found. Systematic effects of the masking techniques consisted in a lowering of the perceived activity level of the emotions in the case of electronic filtering, and more positive ratings on the evaluative dimension in the case of randomized splicing. Electronic filtering tended to decrease, randomized splicing tended to increase inter-rater reliability.This research was supported by a research grant (GS-2654) from the Division of Social Sciences of the National Science Foundation to Robert Rosenthal.     

Emotion and economic development — Data and speculations concerning the relationship between economic factors and emotional experience

While proponents of biological theories of emotion claim the existence of universal emotion and expression patterns, recent theories stress cognitive appraisal mechanisms as elicitors of emotion, thus suggesting the influence of cultural and social factors on emotional experience and emotional expression. Data from a large-scale questionnaire study with about 2400 respondents in 30 countries allowed us to test that notion in part. In this study, respondents had to describe in detail situations in which they had experienced the emotions of joy, sadness, fear, anger, disgust, shame, and guilt. The results indicate that emotional expression patterns do seem to be universal, while characteristics of the subjectively experienced emotion, in particular its duration and intensity, show a high variance across country samples. An attempt is made to link these differences to economic data for the different countries, specifically to the gross national product. The rather striking differences found between ‘rich’ and boor' countries are discussed in terms of the frequency of confrontation with emotion eliciting situations and the importance of such situations.     

Do we need the power metaphor to construct our interpersonal reality?

In my own attempt to answer the question whether we need the power metaphor to construct our interpersonal relations, I have come to the conclusion that it is not necessary. I advocate the standpoint that the power metaphor is an epistemological/operational instrument which, applied to interpersonal relations, leads to selffulfilling prophecies; the power metaphor realizes itself. Of course, it is necessary to recognize when, under what circumstances, and how we operate with respect to the power metaphor. This knowledge which, when achieved, allows us to correct ourselves and look for alternatives. However, I see it as an epistemological and operational error to deal with the power metaphor as if it were an objective given, independent of the observer, which we cannot avoid, of which we are victims, and to whose construction we do not contribute. It is important for therapists to realize that some clients construct their problems with respect to the power metaphor and act accordingly, explicitly or implicitly. To that extent, knowledge about this construction offers the therapist options which can help him in his therapeutic work to encourage the overpowering of this operational and epistemological instrument-the power metaphor.Originally appeared in a special issue ofZeitschrift fur systemische Therapie (1986),4, 258–268, guest-edited by the author.