全文获取类型
收费全文 | 292篇 |
免费 | 23篇 |
国内免费 | 7篇 |
出版年
2023年 | 8篇 |
2022年 | 4篇 |
2021年 | 13篇 |
2020年 | 5篇 |
2019年 | 15篇 |
2018年 | 11篇 |
2017年 | 10篇 |
2016年 | 17篇 |
2015年 | 12篇 |
2014年 | 15篇 |
2013年 | 45篇 |
2012年 | 5篇 |
2011年 | 13篇 |
2010年 | 12篇 |
2009年 | 14篇 |
2008年 | 18篇 |
2007年 | 15篇 |
2006年 | 7篇 |
2005年 | 9篇 |
2004年 | 10篇 |
2003年 | 4篇 |
2002年 | 4篇 |
2001年 | 4篇 |
2000年 | 2篇 |
1999年 | 4篇 |
1998年 | 2篇 |
1997年 | 1篇 |
1996年 | 1篇 |
1995年 | 5篇 |
1994年 | 3篇 |
1993年 | 2篇 |
1991年 | 1篇 |
1990年 | 1篇 |
1989年 | 1篇 |
1988年 | 1篇 |
1987年 | 1篇 |
1986年 | 3篇 |
1985年 | 2篇 |
1984年 | 4篇 |
1983年 | 2篇 |
1982年 | 2篇 |
1981年 | 3篇 |
1980年 | 3篇 |
1979年 | 2篇 |
1978年 | 3篇 |
1977年 | 3篇 |
排序方式: 共有322条查询结果,搜索用时 31 毫秒
121.
In Experiments 1 and 2, rats were trained in a Morris pool to find a hidden platform located some distance away from a single landmark. Males learned to swim to the platform faster than females, but on test trials without the platform, males, unlike females, spent less time in the platform quadrant of the pool in the second half of each test trial than in the first. They also showed greater persistence in searching in the platform quadrant over a series of extinction trials. In Experiments 3a and 3b, the problem was made easier by locating the platform closer to the solitary landmark. Now males and females learned to swim to the platform equally rapidly, and both stopped searching in the platform quadrant in the second half of each test trial. Experiment 4 ruled out the possibility that males´ shorter latencies to find the platform in Experiment 2 were due to their swimming faster than females. 相似文献
122.
This paper addresses several concerns in teaching engineering ethics. First, there is the problem of finding space within
already crowded engineering curricula for meaningful discussions of ethical dimensions in engineering. Some engineering programs
may offer entire courses on engineering ethics; however, most do not at present and may not in the foreseeable future. A promising
possibility is to weave ethics into already existing courses using case studies, but most current case studies are not well
integrated with engineering technical analysis. There is a danger that case studies will be viewed by both instructors and
students as departures from “business as usual”—interesting perhaps, but not essentially connected with “real” engineering.
We offer a case study, inspired by the National Society of Professional Engineer’s popular video Gilbane Gold, that can be used to make the connection. It requires students to engage in technical analysis, but in a context that makes
apparent the ethical responsibility of engineers. Further, the case we present marks a significant departure from more typical
cases that primarily focus on wrongdoing and its prevention. We concentrate more positively on what responsible engineering
requires. There is a need for more such cases, regardless of whether they are to be used in standard engineering courses or
in separate courses in engineering ethics.
This article is the product of the NSF/Bovay Endowment “Workshop to Develop Numerical Problems Associated With Ethics Cases
for use in Required Undergraduate Engineering Courses” (NSF Grant DUE-9455141) held at Texas A&M University in August 1995.
For further information about this project, contact Michael J. Rabins, Director of the Ethics and Professionalism Program
in the Look College of Engineering at Texas A&M University. Additional case studies from this workshop are available on the
Internet site http://ethics.tamu.edu. The writing of this article was supported in part by “Engineering Ethics: Good Works”
(NSF/EVS Grant SBR-930257).
Michael Pritchard teaches ethics and is co-author of Engineering Ethics: Concepts and Cases (1995) with C.E. Harris and Michael Rabins (Wadsworth, Belmont CA).
Mark Holtzapple teaches chemical engineering and is author of Foundations of Engineering (McGraw-Hill) which includes an ethics chapter suitable for freshman engineering students. 相似文献
123.
Formulas for the standard error of measurement of three measures of change—simple difference scores, residualized difference
scores, and the measure introduced by Tucker, Damarin, and Messick—are derived. Equating these formulas by pairs yields additional
explicit formulas which provide a practical guide for determining the relative error of the three measures in any pretest-posttest
design. The functional relationship between the standard error of measurement and the correlation between pretest and posttest
observed scores remains essentially the same for each of the three measures despite variations in other test parameters (reliability
coefficients, standard deviations), even when pretest and posttest errors of measurement are correlated. 相似文献
124.
The principle of designer tests is that of using a subject's own semantics rather than lists of words that may or may not be relevant or even understandable for the subject. The Personalised Emotional Index (PEI) is a prototype designer test, in this case a mood test, that uses words that the subject chooses from a list of suggestions within mood categories. Each person's test is custom made from familiar and understandable words from his/her own vocabulary. Such a test has much face validity, can be succinct and has comprehensibility for the subject. The results obtained when using this test at the same time as the Profile of Mood States Bipolar Version (POMS-BI) were very similar (e.g. in a regression analysis, the ‘elated-depressed' variable predicted present overall mood on both tests (POMS: t=5.25, p<0.000, PEI: t=5.84, p<0.000) with a high correlation for total scores (r=0.82, p<0.000). The PEI results were correlated within the two week interval (r's about −0.74; p<0.000) and reasonably but not highly correlated on retesting some months after the first testing (r's about −0.25; p<0.000). It was successfully used to differentiate mood variables from a group consisting of caregivers of people with schizophrenia (n=30, producing 399 days of data) and a group of unselected controls (n=62, producing 1080 days of data). The test appears to have validity, reliability, comparability, and utility. 相似文献
125.
Exact conditional tests of independence in cross-classification tables are formulated based on the
2 statistic and statistics with stronger operational interpretations, such as some nominal and ordinal measures of association. Guidelines for the table dimensions and sample sizes for which the tests are economically implemented on a computer are given. Some selected sample sizes and marginal distributions are used in a numerical comparison between the significance levels of the approximate and exact conditional tests based on the
2 statistic.The authors are grateful for the suggestions of the referees and for computer funding provided by the Northeast Regional Data Center at the University of Florida. 相似文献
126.
Recently, the use of timeout rooms has been questioned by various agencies, and some have adopted policies that prohibit or greatly restrict exclusionary timeout. The present study developed a timeout procedure that did not require removal of the misbehaver from the learning environment. The procedure was applied to the disruptive behaviors of five severely retarded children in an institutional special-education classroom. An observer prompted all teacher behaviors related to the procedures to assure their precise implementation. After baseline, a reinforcement-only condition was implemented. Each child was given a different colored ribbon to wear as a tie and received edibles and praise every few minutes for good behavior and for wearing the ribbon. When timeout was added, a child's ribbon was removed for any instance of misbehavior and teacher attention and participation in activities ceased for three minutes or until the misbehavior stopped. Reinforcement continued at other times for appropriate behavior. An ABCBC reversal design was used to demonstrate control of the behavior by the conditions applied. On average, the children misbehaved 42% and 32% of the time during the baseline and reinforcement conditions respectively but only 6% of the time during the timeout conditions. A followup probe during the new school year revealed that the teacher was able to conduct the procedure independently and that the children's disruptive behaviors were maintained at low levels. The practicality and acceptability of the procedure were supported further by the successful implementation of the procedure by a teacher in another state and by responses to a questionnaire given to 40 mental health professionals. The ribbon procedure appears to be a viable form of timeout, provided that disruptive behaviors during timeout can be tolerated within the setting, or a backup procedure such as exclusionary timeout is available when needed. 相似文献
127.
Rutter M 《Journal of abnormal child psychology》2005,33(4):499-503
The concept and measurement of psychopathy in young people is discussed with respect to five key issues: (1) the respective merits of self-reports and ratings by others; (2) whether callous/unemotional (CU) features may be more appropriately tapped by physiological measures; (3) the possible utility of genetic studies; (4) the distinctiveness of CU from other risk factors for antisocial behavior; and (5) the homogeneity of CU as a construct. 相似文献
128.
Mona Ghanbari Noshari Heather Mary Kempton Ute Kreplin 《Counselling and Psychotherapy Research》2023,23(1):49-63
The increasing popularity of mindfulness practices has seen an accompanying growth in research that includes the development of several self-report mindfulness measures. However, while caution has been recommended in the use of these self-reports, there has been little direct assessment of their susceptibility to expectancy effects. This research aimed at understanding whether expectancy effects exist for self-reported mindfulness measures (Study 1; n = 60), and how expectancy effects might manifest in relation to positive and negative expectancy (Study 2; n = 60). The first study manipulated whether (i) the task (jigsaws) was labelled as “mindfulness,” and (ii) whether “authentic” mindfulness instructions were given. Given any increases in self-reported mindfulness might potentially occur due to engaging in the mindful and attentionally demanding task, the second study manipulated whether the introduction placed mindfulness in a positive or negative context. A pre-/post-test design was employed using the Five Facet Mindfulness Questionnaire and Applied Mindfulness Process Scale self-report measures for mindfulness and the Perceived Stress Scale for well-being. The findings revealed expectancy effects for simply using the term mindfulness and that the direction of effects could be manipulated. This research suggests that researchers need to be cautious in evaluating self-reports of mindfulness practice due to expectancy effects, especially in the context of brief interventions without objective measures. 相似文献
129.
Joint attention (JA) is the purposeful coordination of an individual's focus of attention with that of another and begins to develop within the first year of life. Delayed, or atypically developing, JA is an early behavioural sign of many developmental disabilities and so assessing JA in infancy can improve our understanding of trajectories of typical and atypical development. This scoping review identified the most common methods for assessing JA in the first year of life. Methods of JA were divided into qualitative and quantitative categories. Out of an identified 13,898 articles, 106 were selected after a robust search of four databases. Frequent methods used were eye-tracking, electroencephalography, behavioural coding, and the Early Social Communication Scale (ECSC). These methods were used to assess JA in typically and atypically developing infants in the first year of life. This study provides a comprehensive review of the past and current state of measurement of JA in the literature, the strengths and limitations of the measures used, and the next steps to consider for researchers interested in investigating JA to strengthen this field going forwards. 相似文献
130.
Tian Lin Amber Heemskerk Elizabeth A. Harris Natalie C. Ebner 《British journal of psychology (London, England : 1953)》2023,114(1):282-293
Public health measures such as spatial distancing and physical hygiene have been found effective in mitigating the spread of the coronavirus. However, there is considerable variability in individual compliance with such public health measures and factors contributing to these interindividual differences are currently still understudied. The present study set out to determine the role of risk perception and conspiracy theory endorsement on compliance with COVID-19 public health measures and explored variations in these associations across participant age and the developmental status of a country, leveraging a large multi-national data set (N = 45,772) across 66 countries/territories, collected via online survey during the early phase of the COVID-19 pandemic (between April and May 2020). Human Development Index (HDI), developed by the United Nations Development Program, was used as a proxy of a country's achievement in key dimensions of human development. Overall, higher risk perception was associated with greater compliance, particularly in individuals with greater conspiracy theory endorsement. Specifically, people from more developed countries who perceived themselves less at risk but showed stronger conspiracy theory endorsement reported the lowest compliance with COVID-19 public health measures. Findings from this study advance understanding of the interplay between risk perception and conspiracy theory endorsement in their effect on compliance with COVID-19 public health measures, under consideration of both individual-level and country-level demographic variables and have potential to inform the design of tailored interventions to fight the current and future global pandemics. 相似文献