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Changes in the wording of core measures of political attitudes in the American National Election Studies have generated a good deal of controversy about artifactual sources of change in the U.S. electorate. This research, based on several field experiments and replications, investigates the effects of using or not using various types of opinion filter questions that have appeared in the SRC/CPS series over the years. The analysis shows that the use of a filter interacts significantly with a respondent's level of education and interest in politics, particularly the latter, in determining whether a respondent will offer an opinion on a given public policy issue. But the study also demonstrates that such an interaction occurs primarily when the question about interest in politics is askedafter, rather thanbefore, a set of political issue items. In interpreting these order-and-context effects the authors develop a self-perception model of how respondents infer their interest in politics from information that isavailable in memory about their own behavior in the survey interview.  相似文献   
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This article describes the results of a 1981 survey of 1,000randomly selected scholars of American government and politicswho were asked to rank the most significant intergovernmentalevents and trends of the past twenty years. Responses were receivedfrom almost 40 percent of these scholars; no significant returnbiases were detected. These scholars ranked civil rights andvoting rights acts as the most significant events of these decades.General Revenue Sharing and the reapportionment cases were rankedsecond and third in importance. The increased flow of federaldollars to states and local governments was ranked the mostimportant trend affecting intergovernmental relations, followedby the increased public disaffection with government and thegrowing dependence of local governments on state and federalaid. The Vietnam War and the inflationary spiral it initiatedwas ranked as the most significant social event affecting thecourse of intergovernmental relations, followed closely by theenergy crisis and the beginnings of the "Great Society." Thearticle also examines the effects of party identification, age,year of degree, government experience, region, and city sizeon scholarly attitudes toward these events and trends. Whilethe overall rankings were not dramatically altered, partisanship,region, and city size all were factors found to be noticeablyrelated to scholarly rankings of these important events andtrends.  相似文献   
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This document contains a summary of the Housing Reform Program created in Shanghai, China, in 1991, which requires monthly contributions of all employers and employees in Shanghai to a "Collective Reserve Fund." The program also applies to foreign investment enterprises and must be followed by all enterprises, regardless of any previous housing benefits that an enterprise may be providing its employees. Employers must deduct 5% from each employee's salary (with a minimum) monthly and must match that amount. The total is paid into an account in the employer's name with the People's Construction Bank of China. The total amount collected and matched for an employee is considered the property of the employee, but the account is administered by the employer as a collective trust account. Each employee's balance may be withdrawn upon retirement, leaving the area, or purchasing a home and leaving state-owned housing. Foreign investment enterprises contribute a reduced amount in recognition of the fact that they pay salaries that are higher than those of state enterprises. The Housing Reform Program also requires employers to contribute to doubled rent subsidies for public housing, requires workers to purchase housing construction bonds in order to be eligible for newly allocated public housing, calles for housing to be sold at favorable prices, and creates a system whereby mortgages can be obtained from the Collective Reserve Fund.  相似文献   
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