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31.
32.
Lennart Sjöberg Birgitta Höijer Ingegerd Olsson 《Scandinavian journal of psychology》1970,11(1):266-273
Three groups of preschool children were given verbal instructions as to the invariance of weight in spite of transformations of shape. Instructions were phrased according to the principles of reversibility, decentering, and addition-subtraction, respectively. A fourth group received no verbal information but only external reinforcement. Verbally instructed groups were superior to control and nonverbal groups on a posttest. On transfer and counter-suggestion items the addition-subtraction group had a tendency towards superior performance. 相似文献
33.
Per Lindberg Berit Scott Lennart Melin Leif Lyttkens 《Behaviour research and therapy》1989,27(6):593-603
Disabling tinnitus in 27 patients was treated in an experimental setting with two different types of therapy aiming at the development of coping behaviour. One was focused on behavioural control procedures, while the other aimed at more cognitive control methods such as distraction. The results of the two forms of therapy were compared with each other and with observations of the untreated control subjects. Assessments of subjective loudness, discomfort from tinnitus and controllability were made on analogue scales and at a questionnaire follow-up. Psychoacoustic measures such as personal loudness units (PLU) were used in connection with these self-recordings and for evaluation of treatment effects. The results confirmed favourable reports on behavioural methods in tinnitus. However, no differences were found between therapies. The results are discussed in the light of the coping and adaptation theory. 相似文献
34.
S joberg , L. Sensation scales in the size-weight illusion. Scand. J. Psychol ., 1969, 10 , 109–112.-The subjects gave magnitude estimations of heaviness of a set of cylinders varying simultaneously in weight and height. The size-weight illusion could be well described by a simple model assuming heaviness to be inversely proportional to a sensation scale of size and directly proportional to a sensation scale of weight. The scale parameters corresponding to weight were a positively accelerated function of weight while the corresponding function for size was negatively accelerated. 相似文献
35.
Sjöberg , L. When can the subject be trusted not to think?Scand. J. Psychol., 1968, 9, 274–276.—Many tasks can be approached either in an intuitive or an analytical mode. Hence, problems of interpretation may arise. Such problems are particularly pressing in cases where the results can be explained as the outcome of a trivial, analytic process. Certain recent work is discussed where such a risk appears to be present. 相似文献
36.
It is argued that the use of direct scaling methods to derive the perceptual magnitudes in the similarity function is inadvisable on two grounds. (1) Attention may shift from one way of rating to another and thereby affect the perceptual magnitude so that what is rated may depend on the method of rating. (2) Direct methods of scaling seldom give consistent data and present knowledge of the reason for this is limited. The preferred procedure then is to study solely the structure of the similarity matrices themselves. When this is done on four sets of published data it is found that the similarity mechanism of Eisler and Ekman gives a close fit. 相似文献
37.
The fact that the Holley-Guilford G index is a mean cross product between individuals has two implications. First, standard procedures are available for the estimation of R factor loadings. Second, the factor space contains a factor of means. This factor is not unique when item polarities are arbitrary. The factor structure in such cases is a result of both qualitative and quantitative interindividual similarity. 相似文献
38.
In a 'triple blind' study on 30 subjects, 50 mg diethylpropion was compared with 10 mg dexamphetamine, 50 mg phenmetrazine, 250 mg caffeine, and placebo. The effects were measured in 5 subjective variables at 40 minutes intervals up to 4 hours. Clear trends were obtained in 'happiness', 'alertness' and 'pleasantness'. Peak effects were seen at about two hours, but in pleasantness the effects of phenmetrazine were increased even after that time. The demonstrated effects were discussed in relation to data on abuse of diethylpropion and phenmetrazine. 相似文献
39.
Lennart Sjöberg 《Scandinavian journal of psychology》1965,6(3):33-48
A distinction is discussed between manifest and latent concepts on the one hand and observable and unobservable psychological processes (of which learning is one) on the other. Previous attempts at measurement by Hull and Björkman are briefly reviewed. An analysis is presented of improved performance in terms of the latent variables of the Law of Comparative Judgment. Finally, the author's method for successive intervals scaling is applied to some paired associate learning data. 相似文献
40.
Charlotte Bäccman Lennart Sjöberg Kjerstin Almqvist 《International Journal of Selection & Assessment》2015,23(2):120-130
This study investigated the change in means on both personality constructs and the more infrequently studied, health constructs, as a possible effect of self‐enhancement in a real selection setting. The participants (N = 202) were assessed first as applicants, and later as incumbents. The result revealed that, while all the means for personality constructs changed across situations, the effect sizes on the health constructs were stronger. The analysis also revealed that it was twice as likely for the incumbents to confirm having experienced previous traumatic/stressful events compared with applicants. Implications for the observed changes on both personality and health constructs in military selection setting are discussed. 相似文献