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Lauren Feldman Magdalena Wojcieszak Natalie Jomini Stroud Bruce Bimber 《广播与电子媒介杂志》2018,62(1):109-130
This study analyzes the predictors of 2 types of media selectivity: interest-based (i.e., choice of entertainment over politics) and partisan (i.e., choice of pro-attitudinal over counter-attitudinal or balanced news). Relying on a large survey-based experiment, we find that issue-specific engagement variables, including perceived issue understanding, issue importance, and issue attitude strength, predict interest-based and partisan selectivity above and beyond the influence of general political knowledge, news interest, and strength of political leanings. These results show that the drivers of selectivity are more complex than general political attributes; rather, they are contextual and reflect people’s engagement with particular issues. 相似文献
3.
Florida and Puerto Rico Secondary Science Teachers’ Knowledge and Teaching of Climate Change Science
Benjamin C. Herman Allan Feldman Vanessa Vernaza-Hernandez 《International Journal of Science and Mathematics Education》2017,15(3):451-471
Misconceptions about climate change science are pervasive among the US public. This study investigated the possibility that these misconceptions may be reflective of science teachers’ knowledge and teaching of climate change science. Florida and Puerto Rico secondary science teachers who claim to teach extensively about climate change were surveyed in regard to their conceptions of climate change science and the climate change-related topics they teach. Results show that many teachers hold naïve views about climate change (e.g. that ozone layer depletion is a primary cause of climate change) and climate change science (e.g. that it must be based on controlled experiments for it to be valid). In addition, teachers in both groups neglect crucial topics such as how evidence for climate change is developed and the social, political, and economic dimensions of climate change. Our results suggest the need for teachers to understand how to teach climate change and the nature of climate change science using authentic contexts that promote effective socioscientific decision-making and climate change mitigation. 相似文献
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The objective of the study was to better understand the perceptions and needs of multigenerational Deaf adults related to mental health services. A survey sampled participants who were between 20 and 85 years old and Deaf. Questions were developed to identify the perspectives of Deaf adults related to the availability of mental health services, preferences for these services, and current utilization of services. Participants were grouped into age (years) categories: young adult (18-34), middle adult (35-54), older adult (55-65), and oldest (66-). Category response trends were examined using chi-square analysis. The analysis showed significant differences in the preferences and utilization of mental health care. These data also suggested preferences for service delivery. These data indicate areas of importance related to the development of programs and services for Deaf adults and to indicate where funding for services would be best utilized. 相似文献
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The test scores of 153 referred students who received inconsistent placements according to California's discrepancy criterion, which does not take regression into account (standard score distribution procedure), were reanalyzed using a procedure that accounts for regression. Students involved in these MDT discretionary decisions were placed into one of three groups: ineligible (originally met discrepancy criterion, but not placed), resource class (originally did not meet discrepancy criterion, but placed in a less restrictive pull-out program), and special day class (originally did not meet discrepancy criterion, but placed in a more restrictive, essentially full-time special education class). All of these placements were inconsistent with the nonregressed ability-achievement discrepancy criterion the MDTs used at the time of the IEP meeting. To evaluate how many of these students could be considered to be underachieving when regression is considered, regressed discrepancy scores were computed using the students' scores on the WISC-R and one or more of the following achievement tests: WRAT, PIAT, and W-J. Regression “accounted” for a significant proportion of the inconsistent placements in all three groups: ineligible (25.0%), resource class (31.5%), and special day class (46.9%). Implications for professional practice and public policy are discussed. 相似文献
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This paper investigates the role of government R&D subsidy programs in stimulating knowledge spillovers. R&D subsidies are an effective public policy instrument when knowledge spillovers exist yet ex ante it is difficult to identify projects that have the greatest potential to increase innovation and economic growth. This paper derives a set of project and firm attributes that the literature finds generate knowledge spillovers and uses data on project proposals to estimate the degree to which a government R&D program conforms. We find that projects that were awarded R&D subsidies were more likely to have attributes such as participation in new research joint ventures and connections to universities and other firms. Following the post-award activities of firm, we find that receipt of a government R&D subsidy increased the funding from other sources when compared to firms that were not awarded funding. 相似文献