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51.
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David Zimmerman 《Philosophical Studies》1994,73(2-3):209-223
53.
Illness representations and matching labels with symptoms 总被引:4,自引:0,他引:4
Three studies are reported that show that health-relevant information (e.g., blood pressure [BP] or symptoms) initiates an active cognitive search process that results in the construction of an illness representation. Study 1 showed that informing subjects that their BP was elevated affected two attributes of illness representation: identity (label and symptoms), and time line or expected chronology of the health threat. Subjects given a high-BP reading reported symptoms commonly associated with high BP, especially if they attributed the high-BP reading to stress. Study 2 showed that the active search process uses causal information (a third attribute of representations) to give meaning to symptoms. Specifically, subjects used environmental cues to interpret whether familiar, unfamiliar, and ambiguous symptoms were due to illness or to stress. In Study 3 we showed that the constructive process, initiated by a high-BP reading, is directed by prior beliefs about the time line for developing high BP and by the presence of external cues about the stressfulness of the subject's daily life. Subjects who believed BP was labile and that they were under high daily stress or who believed BP was stable and that they were under low daily stress reported more symptoms. The significance of these findings for understanding how people process diagnostic labels and symptom information involved in the construction of illness representations is discussed. 相似文献
54.
Gregory Fowler Eric T. Juengst Burke K. Zimmerman 《Theoretical medicine and bioethics》1989,10(2):151-165
Although the ability to perform gene therapy in human germ-line cells is still hypothetical, the rate of progress in molecular and cell biology suggests that it will only be a matter of time before reliable clinical techniques will be within reach. Three sets of arguments are commonly advanced against developing those techniques, respectively pointing to the clinical risks, social dangers and better alternatives. In this paper we analyze those arguments from the perspective of the client-centered ethos that traditionally governs practice in medical genetics. This perspective clarifies the merits of these arguments for geneticists, and suggests useful new directions for the professional discussion of germ-line gene therapy. It suggests, for example, that the much discussed prospect of germ-line therapy in human pre-embryos may always be more problematic for medical genetics than adult germ-line interventions, even though the latter faces greater technical difficulties. 相似文献
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Toni Schindler Zimmerman Layne A. Prest & Barbara E. Wetzel 《Journal of Family Therapy》1997,19(2):125-144
The professional literature contains numerous theoretical and case study articles regarding the development and use of solution-focused therapy. However, as with many models of systems-oriented therapy in use with couples, very little has been subjected to empirical investigation. This project was designed to make a contribution to the empirical literature regarding the effectiveness of solution-focused therapy in use with couples' groups. This study utilized pre-test comparisons of treatment and comparison groups, and examined pre- to post-test changes in the scores of the treatment group couples. Twenty-three treatment group couples participated in a six-week solution-focused couples therapy (SFCT) group. A separate group of thirteen couples served as a comparison group. The Dyadic Adjustment Scale (DAS) was used to assess changes in the couples' relationships. Scores on the Marital Status Inventory (MSI), as a pre-test measure indicating the couples' likelihood of divorce, indicated no significant differences between groups. The remaining analyses revealed significant improvement in DAS scores. Self-reports from the couples involved indicate improvement in a variety of areas after completing the six-week solution-focused couples group therapy process. 相似文献
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Donald W. Zimmerman 《Psychometrika》1975,40(3):395-412
A branch of probability theory that has been studied extensively in recent years, the theory of conditional expectation, provides just the concepts needed for mathematical derivation of the main results of the classical test theory with minimal assumptions and greatest economy in the proofs. The collection of all random variables with finite variance defined on a given probability space is a Hilbert space; the function that assigns to each random variable its conditional expectation is a linear operator; and the properties of the conditional expectation needed to derive the usual test-theory formulas are general properties of linear operators in Hilbert space. Accordingly, each of the test-theory formulas has a simple geometric interpretation that holds in all Hilbert spaces. 相似文献
60.
Effects of different delay of reinforcement procedures on variable-interval responding 总被引:4,自引:4,他引:0 下载免费PDF全文
Pierce CH Hanford PV Zimmerman J 《Journal of the experimental analysis of behavior》1972,18(1):141-146
Two experiments studied responding in the rat when the first bar press after a variable period of time produced a cue light that remained on for either 10, 30, or 100 sec and terminated with the delivery of food. In Experiment I, response rate decreased and time to the first response after reinforcement increased as the delay of reinforcement increased. Similar results were obtained whether the delay consisted of retracting the lever during the delay, a fixed delay with no scheduled consequence for responding, or every response during the delay restarted the delay interval. In Experiment II, fixed-delay and fixed-interval schedules of the same duration during the delay period had no differential effect on either response rate or time to the first response after reinforcement, but differentially controlled responding during the delay periods. 相似文献