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41.
Gerald E. Larson 《Attention, perception & psychophysics》1996,58(1):153-159
Previous studies comparing performance on standard (i.e., static) and dynamic spatial test items have concluded that the two item types measure different abilities. Such conclusions about the uniqueness of static and dynamic spatial abilities seem premature, however, since only a limited number of dynamic spatial tasks have been utilized in research and these have differed markedly from their static counterparts. In the present studies, tasks were designed to require a common mental operation (mental rotation) under static and dynamic conditions. Correlations between static and dynamic performance ranged from .80 to .90. This appears to suggest that the emergence of a unique dynamic ability factor depends on the utilization of certain specialized tasks (e.g., arrival time tasks) with mental operations much different than those required by conventional spatial tests. In other words, it is apparently the requirement for different cognitive processes and not the processing of stimulus motion per se that distinguishes performance onsome dynamic tasks from performance on some standard static tasks. 相似文献
42.
Trust and Missed Opportunities in International Relations 总被引:2,自引:0,他引:2
Deborah Welch Larson 《Political psychology》1997,18(3):701-734
With the end of the Cold War, we must wonder whether there were missed opportunities to regulate the arms race and global competition, which nearly bankrupted the United States and contributed to the collapse of the Soviet Union. A missed opportunity for agreement is a situation where there was at least one alternative that the parties to a conflict preferred or would have preferred to nonagreement. Hard-core Realists argue that states compete for territory, arms, and influence because they have conflicting national interests. Soft-core Realists maintain that such conflicts are effects of international anarchy and uncertainty, and that states can cooperate contingent on reciprocity. I argue that states often fail to cooperate even when they have compatible preferences because policy-makers make incorrect inferences about the opponent's motives and intentions, a process that can be illuminated by social psychology. I present three alternative explanations of trust and distrust in international relations—rational choice, domestic structures, and social psychology. If policy-makers are prudent, they will assess the other's interests in observing an agreement as well as its reputation. Often, domestic political structures encourage leaders to promote distrust of an external enemy to legitimize their internal rule or foreign policy. Finally, distrust may lead policy-makers to dismiss the other side's cooperative signals or proposals. Distrust can be overcome by making a series of step-by-step agreements in which each side can test the other's good faith at limited cost, or through unilateral concessions as part of a consistent policy. 相似文献
43.
Charles C. Larson 《Journal of School Psychology》1976,14(3):253-254
Describes the extinction of the demanding behaviors of a nine-year-old boy by placing the responsibility for behavioral reinforcement directly under his own control. The therapist assumed that the behavioral pattern of the paranoid personality is characterized by an overdependence upon environmental reinforcers and therefore used the self-management technique, allowing the student the opportunity to gain independence from his classroom environment while meeting his need for positive feedback. 相似文献
44.
Dr. Reed W. Larson 《Motivation and emotion》1987,11(2):145-156
This research investigates the hypothesis that the rates of positive and negative affect in a person's life are independent. Whereas prior research on this issue has relied upon people's recollections, a source of information subject to distortion, this research employs reports obtained from immediate experience. Members of an adolescent and an adult sample carried electronic pagers for 1 week and filled out reports on their immediate affective states upon receipt of signals sent to them at random times. The frequencies of positive and negative affective states for each person were then computed from this pool of time samples. The findings reveal strong internal consistency in each person's rates of positive and negative affect. However, congruent with the independence hypothesis, these frequency rates of positive and negative affect were not correlated with each other. The findings dispel the possibility that the results of prior research were affected by distortions of recollection, and they suggest that the occurrence of positive and negative affect in a person's life are independent, not only from week to week, but also from day to day and hour to hour.This research was carried out with support from the Psychiatric Research Fund of Michael Reese Hospital and Medical Center. The author wishes to express his appreciation to Norman Bradburn, Mark Freeman, Nancy Bradney, Randy Larsen, and Ed Diener for comments on an earlier draft of this paper. The author is indebted to Mihaly Csikszentmihalyi and Ronald Graef for use of the data from the adult sample. 相似文献
45.
David B. Larson M.D. M.S.P.H. Harold G. Koenig M.D. professor Berton H. Kaplan Ph.D. Raymond S. Greenberg M.D. Ph.D. Everett Logue Ph.D. professor Herman A. Tyroler M.D. 《Journal of religion and health》1989,28(4):265-278
Most clinical studies examining the relation between religion and blood pressure status have focused on church attendance, finding lower pressures among frequent attenders. The present study examines the effect on blood pressure status of a religious meaning variable, importance of religion, both by itself and together with frequency of church attendance. The relation between blood pressure, self-perceived importance of religion, and frequency of church attendance was examined among a rural sample of 407 white men free from hypertension or cardiovascular disease. The data confirmed an interaction between the effects of both religious variables on blood pressure status, with importance of religion having an even greater association with lower pressures than church attendance. Diastolic blood pressures of persons with high church attendance and high religious importance were significantly lower than those in the low attendance, low importance group. These differences persisted after adjusting the analyses for age, socioeconomic status, smoking, and weight-height ratio (Quetelet Index). The difference in mean diastolic pressures based on response to the religious importance variable alone was statistically and clinically significant, particularly among men aged 55 and over (6 mm) and among smokers (5 mm). These findings suggest that both religious attitudes and involvement may interact favorably in their effects on cardiovascular hemodynamics. 相似文献
46.
Larson LD Schnelle JF Kirchner R Carr AF Domash M Risley TR 《Journal of applied behavior analysis》1980,13(4):571-581
Tachograph recorders were installed in 224 vehicles of a metropolitan police department to monitor vehicle operation in an attempt to reduce the rate of accidents. Police sergeants reviewed each tachograph chart and provided feedback to officers regarding their driving performance. Reliability checks and additional feedback procedures were implemented so that upper level supervisors monitored and controlled the performance of field sergeants. The tachograph intervention and components of the feedback system nearly eliminated personal injury accidents and sharply reduced accidents caused by officer negligence. A cost-benefit analysis revealed that the savings in vehicle repair and injury claims outweighed the equipment and operating costs. 相似文献
47.
48.
Alan S. DeWolfe Jacquelyn K. Larson Joseph J. Ryan 《Journal of psychopathology and behavioral assessment》1985,7(3):185-189
The diagnostic accuracy of the Millon Clinical Multiaxial Inventory (MCMI) computer reports was assessed for the sample of 48 patients reliably identified as having bipolar affective disorder. Only 13 of the 48 reports were accurate in classifying the patients as having bipolar affective disorder, and this was significantly (p < .01) less than 50% of the cases. The diagnostic accuracy clearly left much to be desired. Additional research is needed to assess the validity of MCMI diagnostic suggestions for other patient groups. 相似文献
49.
Cent cinquante neuf jeunes gens remplirent un questionnaire dans ie but d'évaluer la fréquence de diverses erreurs mentales banales. Les réponses au questionnaire furent alors comparées aux dossiers de chauffeur des sujets. Ceux qui obtenaient le plus d'erreurs mentales, devaient probablement être aussi ceux qui avaient causé des accidents de circulation, mais la corrélation apparut seulement après l'exclusion de ceux des sujets qui avaient des dossiers de chauffeur remarquablement mauvais. Dans un deuxième groupe de cent cinquante deux hommes, les réponses au questionnaire différenciaient également ces sujets qui avaient causé des accidents de ceux qui ne l'avait pas fait.
A total of 159 young men filled out a questionnaire designed to assess the frequency of various common mental slips. Their responses were then compared with the driving records of the respondents. Those subjects reporting more mental slips were also more likely to have caused traffic accidents, but the relationship only emerged following exclusion of those subjects with remarkably bad driving records. In a second group of 152 men, questionnaire responses again differentiated those subjects who had caused accidents from those who had not. 相似文献
A total of 159 young men filled out a questionnaire designed to assess the frequency of various common mental slips. Their responses were then compared with the driving records of the respondents. Those subjects reporting more mental slips were also more likely to have caused traffic accidents, but the relationship only emerged following exclusion of those subjects with remarkably bad driving records. In a second group of 152 men, questionnaire responses again differentiated those subjects who had caused accidents from those who had not. 相似文献
50.