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91.
The lack of subtle content in the item groups of the Beck Depression Inventory (BDI) and the consistency in the ordering of the items from least to most pathological make this instrument unduly susceptible to either defensive or malingering response sets. Two experimental forms were developed for the BDI: a backwards version (a simple reversal of the order of items within each group) and a random-order version. These forms, together with the original item order, were given to college undergraduate women along with the Depression scale from the MMPI and the Burks-Martin Questionnaire covering recent life changes and current stressful situations. The random order BDI results in a significantly higher depression score than did either the original or backwards version. Correlations with the other instruments were comparable for all three forms. The random order of items within each set appears to break up a response set to endorse either the first or last item and is, therefore, recommended. 相似文献
92.
Marthe Chandler 《Philosophical Studies》1990,60(1-2):5-17
Conclusion Although the historical dispute between introspective psychology and ontological behaviorism encourages the belief that attitudes do not exist, this belief is misguided. Even the Hacking test, suggested by someone with grave doubts about behavioral science, supports the claim that attitudes are just as real as neutrinos. Nevertheless, the progress of a science of attitudes may be severely limited by the influence of exogenous factors, factors including normative beliefs about how we should treat the people to whom attitudes are attributed. In so far as these beliefs prevent scientists from experimenting on people and their institutions, particle physics has resources unavailable to survey research. Thus a serious examination of behavioral science leads to some surprising conclusions as to which sciences are the hard ones and which ones are simply easier.Thanks are due to a number of people, particularly to Ted Jelen for invaluable advice and encouragement and editorial assistance and to Paul Teller, Dorothy Grover and my colleagues in the Indiana Philosophical Association for helpful and insightful comments. Research for this paper was supported by Faculty Development of DePauw University and the Humanities Division of Illinois Benedictine College. 相似文献
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96.
Adaptations of goal-directed elbow movements of moderate speed, called "continuous" movements and recognized by their single-peaked velocity profiles, were studied for two monkeys that were learning to perform a motor task. The animals were rewarded for what they did, namely, to carry out a step-tracking and holding task by means of discrete elbow movements, but not for how they did it, that is, for any particular mode of movement execution. Yet, both animals increased the use of the programmed, continuous movements when they began to carry out the behavioral task requirements appropriately. Furthermore, continuous movements adapted with increases of peak and of average velocity such that the ratio of these parameters tended to be maintained or decreased. These velocity changes were incorporated into remembered movement programs late in motor learning when the animals approached their best performance proficiencies. 相似文献
97.
The effects of chronic hypoxemia upon cognition and behavior were studied in women exposed to high altitude in mountaineering. Neuropsychological tests and psychosocial and physiological questionnaires were given to eight women before, during, and immediately after a Himalayan climb to 20,500 feet. Cognitive functioning remained relatively intact with only two significant decrements, complex abstract reasoning and word-finding ability. Significant changes were found on all psychosocial and physiological questionnaires. Feelings of acceptance of others and anxiety declined significantly. Physical symptoms were greatest during the first five days of ascent. Subjects' self-ratings of mental functioning were significantly better after the expedition than either before or during the climb. Self-assessments were correlated with emotions and physical symptoms, not with actual performances on the test battery. It is suggested that complex cognitive tasks and psychosocial functioning be studied in more detail as these were more influenced by exposure to high altitude in mountaineering. 相似文献
98.
John O. Brooks 《Behavior research methods》1987,19(2):260-269
Several assembly language routines are described for use in perceptual identification experiments on the Apple Macintosh computer with MS-BASIC. These routines are in a machine language library that may be accessed from BASIC. No knowledge of assembly language is required to use the statements. In one method of perceptual identification, stimulus clarification, a mask is gradually removed to reveal the stimulus behind it. The other method, stimulus materialization, displays the stimulus on the screen in a piecemeal fashion. Data are reported from a demonstration experiment in which prior exposure to words enabled subjects to identify those words more easily under impoverished conditions. 相似文献
99.
Transcendental meditation, mindfulness, and longevity: an experimental study with the elderly 总被引:7,自引:0,他引:7
C N Alexander E J Langer R I Newman H M Chandler J L Davies 《Journal of personality and social psychology》1989,57(6):950-964
Can direct change in state of consciousness through specific mental techniques extend human life and reverse age-related declines? To address this question, 73 residents of 8 homes for the elderly (mean age = 81 years) were randomly assigned among no treatment and 3 treatments highly similar in external structure and expectations: the Transcendental Meditation (TM) program, mindfulness training (MF) in active distinction making, or a relaxation (low mindfulness) program. A planned comparison indicated that the "restful alert" TM group improved most, followed by MF, in contrast to relaxation and no-treatment groups, on paired associate learning; 2 measures of cognitive flexibility; mental health; systolic blood pressure; and ratings of behavioral flexibility, aging, and treatment efficacy. The MF group improved most, followed by TM, on perceived control and word fluency. After 3 years, survival rate was 100% for TM and 87.5% for MF in contrast to lower rates for other groups. 相似文献
100.
An experiment is reported in which subjects attempted conditional reasoning problems while concurrently articulating a series
of digits, with or without memory load. Logical performance was not impaired by the competing tasks and the latency of responding
was actually faster under concurrent articulation, without memory load, than in a control group. The results are discussed
with reference to the Baddeley and Hitch (1974) model of working memory. 相似文献