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141.
A series of experiments was conducted to investigate sex, housing conditions, and strain as possible factors influencing the interference effect of prior exposure to shock on shock-induced aggression. In albino subjects, female rats and rats housed in community cages evidenced the greatest suppression in aggression following prior exposure to shock. In addition, ten sessions of prior exposure to shock produced a greater suppression in shock-induced fighting than 20 sessions of prior exposure to shock. The prior shock effect was not obtained with hooded subjects. Responsivity to shock was also investigated to determine whether the prior exposure to shock attenuation of shock-induced fighting was a consequence of reduced activity in response to shock. Responsivity to shock measured with an isometric platform accounted for less than 4% of the variance in shock-induced fighting in the single experiment that obtained a correlation between responsivity and shock-induced aggression. 相似文献
142.
Donald C. Bowers 《Aggressive behavior》1979,5(1):41-49
Several possible relationships between two forms of aggression in rats were studied. First, mouse killing and spontaneous intermale fighting were found to be correlated. Rats which attacked other rats were those most likely to kill mice. To determine whether aggressive and nonaggressive rats were also differentially responsive to other situations involving emotional arousal, but not aggression, mouse-killers and nonkillers were compared in a conditioned emotional response (CER) situation. Mouse-killers showed greater suppression to the conditioned stimulus (CS) and to the situational cues of the apparatus. Therefore, a common arousal mechanism may underlie a number of diverse agonistic responses. Nevertheless, extensive mouse-killing experience did not increase the tendency of rats to fight with either adult males or juvenile males. 相似文献
143.
Different empirical studies suggest that both job strain and driving styles are significant contributors to the work-related traffic crashes suffered by professional drivers. Nevertheless, the current evidence falls considerably short when explaining why driving styles may modify (or not) the relationship between occupational stressors and professional drivers’ safety outcomes. The aim of this study was to examine whether driving styles moderate the effect of job strain on professional drivers’ Work Traffic Crashes (WTCs). This research was performed using the data collected from a sample of 753 professional drivers, responding to a self-report questionnaire on job strain (work stress indicator of the Job Demand-Control model), driving styles and work-traffic safety outcomes suffered in the past two years. Regression-based moderation analyses suggest that the job strain of professional drivers is positively associated with the occupational traffic crashes they suffer, and that such association is stronger in drivers with “reckless & careless”, “anxious”, and “angry & hostile” driving styles. Meanwhile, the “patient & careful” (positive) driving style was not associated with a lower risk of suffering a WTC, nor with a lower vulnerability to stress-related WTCs. The results of this study support the hypothesis that driving styles exert a statistical moderation between the job strain and the occupational traffic crashes suffered by professional drivers. These findings may support the design of evidence-based interventions in both the organizational and individual levels, focused stress-related factors and driving styles as predictors of work traffic crashes. 相似文献
144.
Six male mice placed in a large, moderately complex enclosure formed a stable dominance hierarchy in which two mice defended adjacent floor areas and the remaining four mice were subordinate and did not form territories. Intruder mice with winning or losing experience in prior paired encounters, or those with no fighting experience, were introduced individually into the colony for 30 minute periods. These intruders were attacked by the dominant members of the colony, and the fighting outcomes were strongly dependent upon the fighting experience of the intruder. Intruders with losing or no fighting experience engaged in little mutual fighting with residents, were easily defeated, and terminated attacks by engaging in subordinate behaviors. Intruders with winning experience fought vigorously with residents, attacked and, in many cases, defeated residents. These results suggest that relatively little winning experience gained in earlier paired encounters may be sufficient to overcome the various fighting advantages enjoyed by a dominant territorial holding member of a colony. 相似文献
145.
Pharmacological antagonism of mouse-killing behavior in the olfactory bulb lesion-induced killer rat
Jeffrey B. Malick 《Aggressive behavior》1976,2(2):123-130
Representative agents from all of the major classes of drugs that have been reported to be selective antagonists of spontaneous mouse-killing behavior (i.e., antidepres-sants, antihistamines, anticholinergics, and stimulants) were tested for their ability to antagonize the mouse-killing response in rats that became killers following removal of the olfactory bulbs (O.B. lesion-induced killer rat) and in spontaneous killers. All of the drugs tested selectively antagonized the killing behavior of both spontaneous and lesion-induced mouse-killing rats. Several drugs (i.e., imipramine, amitriptyline, d-amphetamine, and chlorpheniramine) were found to be significantly less potent antagonists of mouse killing in the 0.6. lesioned rat as compared to spontaneous killers. Since all of the drugs that exhibited significant differences in activity between the two models have been shown to possess the ability to elevate norepinephrine levels at receptor sites in the brain, alterations in noradrenergic systems may account for the differences in sensitivity that were observed in this study. The possibility that there may be a common neural substrate for mouse killing in the two models is discussed. 相似文献
146.
Sergio M. Pellis Vivien C. Pellis C. Jo Manning Donald A. Dewsbury 《Aggressive behavior》1992,18(5):373-379
House mice have been reported rarely to perform the supine behavior pattern as a defensive tactic during intraspecific fighting. However, in this study of intraspecific fighting by male mice, it is shown that mice do indeed rotate to supine. This maneuver is used to evade or extricate themselves from bites to the lower dorsum by the attacking opponent. Once free from the bite the defender does not remain supine, but will immediately turn to prone and flee. Remaining motionless in the supine position may serve a submissive function in other species, but this does not seem to be the case for mice. The present findings illustrate that the supine tactic is a dynamic maneuver for defense of body areas targeted by the opponent. © 1992 Wiley-Liss, Inc. 相似文献
147.
148.
Sandra Ramsden 《Journal of Child Psychotherapy》2013,39(1):85-100
BRUNO BETTELHEIM : The Empty Fortress: Infantile Autism and the Birth of the Self. The Free Press, New York. 1967. $9.95. (£4 in England). GERALD O'GORMAN: The Nature of Childhood Autism. (Illustrated, 8 plates) C. M. HEINICKE and I. J. WESTHEIMER: Brief Separations. 相似文献
149.
Tian P. S. Oei Sukanlaya Sawang Yong Wah Goh Firdaus Mukhtar 《International journal of psychology》2013,48(6):1018-1029
The DASS‐21 is a well‐established instrument for measuring depression, anxiety, and stress with good reliability and validity reported from Hispanic American, British, and Australian adults. However, the lack of appropriate validation among Asian populations continues to pose concerns over the use of DASS‐21 in Asian samples. Cultural variation may influence the individual's experience and emotional expression. Thus, when researchers and practitioners employ Western‐based assessments with Asian populations by directly translating them without an appropriate validation, the process can be challenging. We conducted a series of rigorous statistical tests and minimized any potential confounds from the demographic information. Following factor analyses, we performed multigroup analysis across six nations to demonstrate consistency of our findings. The advantages of this revised DASS‐18 stress scale are twofold. First, it possesses fewer items, which results in a cleaner factorial structure. Second, it has a smaller interfactor correlation. With these justifications, the revised DASS‐18 stress scale is potentially more suitable for Asian populations. Nonetheless, given limitations, findings should be considered preliminary. 相似文献
150.