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211.
Dual Space Search During Scientific Reasoning 总被引:3,自引:0,他引:3
The purpose of the two studies reported here was to develop an integrated model of the scientific reasoning process. Subjects were placed in a simulated scientific discovery context by first teaching them how to use an electronic device and then asking them to discover how a hitherto unencountered function worked. To do this task, subjects had to formulate hypotheses based on their prior knowledge, conduct experiments, and evaluate the results of their experiments. In the first study, using 20 adult subjects, we identified two main strategies that subjects used to generate new hypotheses. One strategy was to search memory and the other was to generalize from the results of previous experiments. We described the former group as searching an hypothesis space, and the latter as searching an experiment space. In a second study, with 10 adults, we investigated how subjects search the hypothesis space by instructing them to state all the hypotheses that they could think of prior to conducting any experiments. Following this phase, subjects were then allowed to conduct experiments. Subjects who could not think of the correct rule in the hypothesis generation phase discovered the correct rule only by generalizing from the results of experiments in the experimental phase.
Both studies provide support for the view that scientific reasoning can be characterized as search in two problem spaces. By extending Simon and Lea's (1974) Generalized Rule Inducer, we present a general model of Scientific Discovery as Dual Search (SDDS) that shows how search in two problem spaces (an hypothesis space and an experiment space) shapes hypothesis generation, experimental design, and the evaluation of hypotheses. The model also shows how these processes interact with each other. Finally, we interpret earlier findings about the psychology of scientific reasoning in terms of the SDDS model. 相似文献
Both studies provide support for the view that scientific reasoning can be characterized as search in two problem spaces. By extending Simon and Lea's (1974) Generalized Rule Inducer, we present a general model of Scientific Discovery as Dual Search (SDDS) that shows how search in two problem spaces (an hypothesis space and an experiment space) shapes hypothesis generation, experimental design, and the evaluation of hypotheses. The model also shows how these processes interact with each other. Finally, we interpret earlier findings about the psychology of scientific reasoning in terms of the SDDS model. 相似文献
212.
This paper provides an overview of twenty years' work in the development of the Family Assessment Measure (FAM), based on the Process Model of Family Functioning. The Process Model describes a conceptual framework for conducting family assessments according to seven key dimensions: task accomplishment, role performance, communication, affective expression, involvement, control, values and norms. The FAM provides measures of these dimensions at three levels: whole family system (general scale, fifty items), various dyadic relationships (dyadic scale, forty-two items) and individual functioning (self-rating scale, forty-two items). In addition, the general scale includes social desirability and defensiveness response style measures. Brief FAMs (fourteen items) are available for each scale as well. The measurement properties of FAM have been evaluated in a variety of clinical and non-clinical settings. Reliability estimates are very good in most contexts. FAM's validity has been supported using a number of techniques. Overall, the weight of the evidence is that FAM's effectively and efficiently assess family functioning and provide strong explanatory and predictive utility. This empirical evidence reinforces experiences of clinicians, indicating that FAM provides a rich source of information on family functioning. 相似文献
213.
214.
Research suggests that people initially take their subjective experience of an object as an accurate reflection of the object's properties, and only subsequently, occasionally, and effortfully consider the possibility that their experience was influenced by extraneous factors. The two studies reported here demonstrate that this is true even when the extraneous factors are the person's own dispositions. Dispositionally happy and unhappy participants were falsely told that they had been subliminally primed with words that might have influenced their moods, and were then asked to identify those words. Dispositionally happy participants were more likely than dispositionally unhappy participants to conclude that they had been primed with positive words, but only when they made these judgments under time pressure. The results are discussed in terms of correction models of human judgment. 相似文献
215.
C M MacLeod K Dunbar 《Journal of experimental psychology. Learning, memory, and cognition》1988,14(1):126-135
Three experiments varied the extent of practice in an analog of the Stroop color-work task. Each experiment involved four phases: (a) baseline naming of four familiar colors, (b) training in consistently naming four novel shapes by using the names of the same four colors, (c) naming the colors when they appeared in the form of the shapes, and (d) naming the shapes when they appeared in color. In Experiment 1, with up to 2 hr of training in shape naming, colors were named much faster than shapes. Interference was observed only in Phase 4. In Experiment 2, with 5 hr of training, shape naming sped up, but was still slower than color naming. Nevertheless, there was symmetrical interference in Phases 3 and 4, and this persisted 3 months later without further training. Experiment 3 replicated this pattern and then extended practice to 20 hr, by which time shape and color naming were equally rapid. After 20 hr, interference appeared only in Phase 3, reversing the original asymmetry. The overall pattern is inconsistent with a simple speed of processing account of interference. The alternative idea of a continuum of automaticity--a direct consequence of training--remains plausible, and the implications of this perspective are considered. 相似文献
216.
Gill Gorell Barnes 《Journal of Family Therapy》1998,20(2):177-188
In 1979 this journal published 'Psychodynamic and structural approaches to work with families', a paper reflecting my preoccupation at that time with the move from a psychodynamic model to a model that was not only systemic, but based on developmental principles of family life and family evolution. This paper considers some of the effects of social context, past and present, which relate to the social construction of myself as a woman therapist, and my relationship to changes in professional and gendered issues since 1979. 相似文献
217.
218.
Gill JJ 《The Catholic mind》1974,72(1286):25-30
219.
F A Beach A I Johnson J J Anisko I F Dunbar 《Journal of comparative psychology (Washington, D.C. : 1983)》1977,91(4):711-715
Groups of female dogs exposed to different degrees of androgenic stimulation during development and a control group of ovariectomized females were tested for their attraction to tethered male and female stimulus animals. Attraction to the male was measured before and after administration of estradiol, and attraction to an estrous female was tested before and after administration of testosterone propionate (TP). Time spent visiting the tethered male was approximately equal for all groups prior to hormone treatment, but after receiving estradiol, control females exhibited a pronounced increase in visiting time; the second longest visits were paid by females that had received moderate amounts of androgen before birth; more heavily androgenized females exhibited no increase in attraction to the male despite estradiol injections. Visits to the estrous female before administration of TP were longer for some groups than for others, but there was no relation between the degree of perinatal androgenization and mean visiting time. After injections to TP the most pronounced increase in visiting was shown by females that had received the largest amounts of androgen during development, and the second largest increase occurred in the prenatally androgenized group. Control females showed the smallest increase in visiting time. 相似文献
220.
We have described a coding scheme for obtaining an objective account of the analysis of resisted aspects of the patient's experience of the relationship with the therapist in single, audio-recorded sessions of psychoanalysis and psychotherapy. The focus is on what is often regarded as an important first step in the analysis of transference: the identification and exploration of the preconscious points of attachment of transference ideas in the here-and-now. Related to the scheme is the view that there is generally a plausible basis in the here-and-now for the patient's ideas about the therapist. The implications of that view for the concept of transference are discussed. Future directions for research are noted, including improving the reliability of the scheme and testing various hypotheses regarding how the particular step in technique assessed by the method affects other aspects of the process and outcome. 相似文献