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71.
This study provides an empirical analysis of the effects of advertising and commercial practice on the price and quality of optometrists' services. Data were collected by actually purchasing eye examinations and eyeglasses from optometrists in cities with and without restrictions on advertising and commercial practice. Analysis of the data supports the view that advertising and commercial practice lower prices but do not lower the quality of professional care available in the market. The implications of these findings are discussed.  相似文献   
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There is debate as to whether secure hospital treatment for offenders with personality disorder can be effective relative to criminal justice interventions. This study examines the evidence for long-term treatment of such offenders in hospital within in a modified therapeutic community model including accredited offending behaviour programmes. A panel sample of 47 patients were followed up on measures of violence risk (HCR-20, VRS) and symptom severity (SCL90-R). Intention-to-treat analysis with reliability thresholds showed significant positive change between assessment and discharge in both violence risk (VRS) and symptoms (SCL90-R) indicating a positive treatment effect. Threshold effects for treatment effectiveness seemed to occur at 1?year of treatment for risk and 3?years for symptom reduction.  相似文献   
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CHINA RESPONDS     
Imagine the U.S.Government shutting down almost all forms of public transportation,a substantial number of international airline flights,all schools and many businesses during the period between Thanksgiving through the end of the Christmas season and beyond.That is what is currently going on in Wuhan,the epicenter of the novel coronavirus outbreak,with what has become possibly the largest quarantine in human history.  相似文献   
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This study was designed to produce the first baseline measure of reliability in bloodstain pattern classification. A panel of experienced bloodstain pattern analysts examined over 400 spatter patterns on three rigid non‐absorbent surfaces. The patterns varied in spatter type and extent. A case summary accompanied each pattern that either contained neutral information, information to suggest the correct pattern (i.e., was positively biasing), or information to suggest an incorrect pattern (i.e., was negatively biasing). Across the variables under examination, 13% of classifications were erroneous. Generally speaking, where the pattern was more difficult to recognize (e.g., limited staining extent or a patterned substrate), analysts became more conservative in their judgment, opting to be inconclusive. Incorrect classifications increased as a function of the negatively biasing contextual information. The implications of the findings for practice are discussed.  相似文献   
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We develop a political history of Wards Cove v. Atonio (1989) to show how Robert Cover's concepts of jurisgenesis and jurispathy can enrich the legal mobilization framework for understanding law and social change. We illustrate the value of the hybrid theory by recovering the Wards Cove workers’ own understanding of the role of litigation in their struggle for workplace rights. The cannery worker plaintiffs exemplified Cover's dual logic by articulating aspirational narratives of social justice and by critically rebuking the Supreme Court's ruling as the “death throe” for progressive minority workers’ rights advocacy. The cannery workers’ story also highlights the importance of integrating legal mobilization scholars’ focus on extrajudicial political engagement into Cover's judge‐centered analysis. Our aim is to forge a theoretical bridge between Cover's provocative arguments about law and the analytical tradition of social science scholarship on the politics of legal mobilization.  相似文献   
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