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101.
102.
Jonathan L. Freedman Simon Klevansky Paul R. Ehrlich 《Journal of applied social psychology》1971,1(1):7-25
In a series of three experiments, groups of people performed tasks under varying conditions of density. The tasks ranged from very simple to complex, from rote memory to a test of creativity. Subjects worked on the tasks for 4 hours at a time for two or three successive days. There were no significant effects of density on performance, nor any consistent trends. 相似文献
103.
104.
Predictors of Farmers’ Market Shopping among People Receiving Supplemental Nutrition Assistance Program Benefits
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Darcy A. Freedman Eunlye Lee Punam Ohri‐Vachaspati Erika Trapl Elaine Borawski Kimberly Bess Susan Flocke 《American journal of community psychology》2018,61(3-4):488-499
Promoting use of farmers’ markets (FMs) is a promising community‐level strategy to increase access to nutritious foods such as fruits and vegetables. Yet, FM shopping among people with Supplemental Nutrition Assistance Program (SNAP) benefits remains low. This research examined predictors of FM shopping among SNAP recipients living within 1 mile of a FM. A cross‐sectional survey of SNAP participants (N = 270) was conducted in 2015 in Cleveland and East Cleveland, OH, USA. Multinomial regression and zero‐truncated Poisson regression analyses were conducted to examine factors associated with FM shopping. Results indicate 48% reported shopping at a FM at least once in the past year, 26% had shopped at a FM before, but not in the last year, and 26% had never shopped at a FM. The multivariable analyses found awareness of FMs and a healthy food incentive program, and four dimensions of healthy food access are significantly associated with FM shopping among SNAP recipients. The food access dimensions included service delivery, spatial‐temporal, personal, and social access. Findings highlight modifiable leverage points for improving the reach of FMs among low‐income populations. 相似文献
105.
These experiments examine the role of vision and step height in the selection of a simple binary choice of movement pattern by human subjects. The subjects selected a heel strike movement pattern (HS) (as used during level surface locomotion) or a toe strike movement pattern (TS) (as used during stair descent). The functional task involved descending a step of adjustable height followed by level surface walking under vision and nonvision conditions. Triceps surae and tibialis anterior electromyographic (EMG) activity, ankle angle position, and vertical force were examined. As step height was increased, there was an indistinct threshold at which subjects switched from landing with a HS movement pattern to a TS movement pattern. The tibialis anterior and triceps surae precontact EMG bursts and subsequent ankle movement for HS and TS trials appear to be part of preprogrammed movement patterns, which are presumably of central origin. The particular mixture of voluntary, stereotypic, and reflex actions for any specified movement is based on the intent or functional outcome desired. The switching to the TS movement pattern as step height increased presumably results in the most efficient and stable movement. 相似文献
106.
Vernon H. Gregg Carmen M. Freedman Deana K. Smith 《British journal of psychology (London, England : 1953)》1989,80(3):363-374
Watkins (1977) found memory span was longer when first and second halves of lists contained high- and low-frequency words, respectively, than when low-frequency words preceded high. One of the four experiments reported here failed to replicate this finding and found that articulatory suppression had a greater detrimental effect on span for high- than for low-frequency words. Another experiment showed that high-frequency words similar to those used by Watkins were easier to articulate than low-frequency words. In the third experiment articulatory suppression did not differentially affect delayed recall of high- and low-frequency words. The fourth experiment showed span for high- and low-frequency words was influenced in a similar way when encouraging subjects to maintain words from either early or late serial positions by articulatory rehearsal. It is concluded that differences in the strategies adopted to maintain words in the articulatory rehearsal loop can account for inconsistencies in the results obtained here and in previous experiments. 相似文献
107.
108.
Worksite stress management interventions 总被引:1,自引:0,他引:1
Despite the general agreement that stress plays a role in everyday life, there continues to be substantial controversy about how stress can be managed at the worksite. During the last decade, our knowledge of stress management interventions has increased substantially. Despite this improvement, deficiencies in the literature exist. In this article, we offer a framework that may be used for viewing organizational stress interventions, briefly review some of the stress management intervention literature in the context of this framework, and identify future needs that may be particularly appropriate for organizational psychologists to address. 相似文献
109.
Decision-making theory suggests that jurors will tend to choose the verdict that maximizes the expected gains minus the expected losses of each decision. Capital punishment (as compared to a maximum sentence of life imprisonment) would seem to increase the perceived negative consequences of a guilty verdict without affecting the consequences of a non-guilty verdict. This should make guilty decisions less likely. To test this prediction, questionnaires were sent to all jurors who had served on 32 first degree murder trials in which capital punishment was not in effect and who reached guilty verdicts. They were asked whether their verdicts in the murder trial would have been affected if capital punishment had been a possible sentence. Thirty percent of the respondents replied that they would have been less likely to vote guilty, whereas only 3% said they would have been more likely to vote guilty. Of the 32 separate jury panels, 30 had at least one person who indicated that he or she would have been less likely to vote guilty; and in 7 trials, 50% or more of those who responded gave this answer. The results appear to indicate that the possibility of a death sentence reduces the likelihood of a guilty verdict. 相似文献
110.
These experiments examine the role of vision and step height in the selection of a simple binary choice of movement pattern by human subjects. The subjects selected a heel strike movement pattern (HS) (as used during level surface locomotion) or a toe strike movement pattern (TS) (as used during stair descent). The functional task involved descending a step of adjustable height followed by level surface walking under vision and nonvision conditions. Triceps surae and tibialis anterior electromyographic (EMG) activity, ankle angle position, and vertical force were examined. As step height was increased, there was an indistinct threshold at which subjects switched from landing with a HS movement pattern to a TS movement pattern. The tibialis anterior and triceps surae precontact EMG burst and subsequent ankle movement for HS and TS trials appear to be part of preprogrammed movement patterns, which are presumably of central origin. The particular mixture of voluntary, stereotypic, and reflex actions for any specified movement is based on the intent or functional outcome desired. The switching to the TS movement pattern as step height increased presumably results in the most efficient and stable movement. 相似文献