자연주의적 탐구조사(Naturalistic Inquiry)

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Using Multivariate Statistics

Qualitative Interviewing: The Art of Hearing Data

Resena de la obra de Don A. Dillman, Jolene D. Smyth y Leah Melani Christian: Internet, Phone, Mail and Mixed-Mode Surveys. The Tailored Design Method. New Jersey: John Wiley and Sons

https://dialnet.unirioja.es/descarga/articulo/7287796.pdf

Internet, phone, mail and mixed-mode surveys: the tailored design method: reseña

Losses of natural and semi-natural forests, mostly to agriculture, are a significant concern for biodiversity. Against this trend, the area of intensively managed plantation forests increases, and there is much debate about the implications for biodiversity. We provide a comprehensive review of the function of plantation forests as habitat compared with other land cover, examine the effects on biodiversity at the landscape scale, and synthesise context-specific effects of plantation forestry on biodiversity. Natural forests are usually more suitable as habitat for a wider range of native forest species than plantation forests but there is abundant evidence that plantation forests can provide valuable habitat, even for some threatened and endangered species, and may contribute to the conservation of biodiversity by various mechanisms. In landscapes where forest is the natural land cover, plantation forests may represent a low-contrast matrix, and afforestation of agricultural land can assist conservation by providing complementary forest habitat, buffering edge effects, and increasing connectivity. In contrast, conversion of natural forests and afforestation of natural non-forest land is detrimental. However, regional deforestation pressure for agricultural development may render plantation forestry a ‘lesser evil’ if forest managers protect indigenous vegetation remnants. We provide numerous context-specific examples and case studies to assist impact assessments of plantation forestry, and we offer a range of management recommendations. This paper also serves as an introduction and background paper to this special issue on the effects of plantation forests on biodiversity.

Plantation Forests and Biodiversity: Oxymoron or Opportunity?

A range of sources support science learning, including the formal education system, libraries, museums, nature and Science Centers, aquariums and zoos, botanical gardens and arboretums, television programs, film and video, newspapers, radio, books and magazines, the Internet, community and health organizations, environmental organizations, and conversations with friends and family. This study examined the impact of one single part of this infrastructure, a Science Center. This study asked two questions. First, who in Los Angeles (L.A.) has visited the California Science Center and what factors best describe those who have and those who have not visited? Second, does visiting the California Science Center impact public science understanding, attitudes, and behaviors and if so, in what ways? Two random telephone surveys of L.A. county adults 18 years of age and over (n ¼ 832; n ¼ 1,008) were conducted; one in 2000, shortly after the opening of the totally redesigned and rebuilt Science Center and one in 2009, roughly a decade after opening. Samples were drawn from five racially, ethnically, and socio-economically diverse communities generally representative of greater L.A. Results suggest that the Science Center is having an important impact on the science literacy of greater L.A. More than half of residents have visited the Science Center since it opened in 1998 and self-report data indicate that those who have visited believe that the Science Center strongly influenced their science and technology understanding, attitudes, and behaviors. Importantly, Science Center visitors are broadly representative of the general population of greater L.A. including individuals from all races and ethnicities, ages, education, and income levels with some of the strongest beliefs of impact expressed by minority and low-income individuals. The use of a conceptual ''marker'' substantiates these conclusions and suggests that the impact of the Science Center might even be greater than indicated by the mostly self-report data reported here. 2010 Wiley Periodicals, Inc. J Res Sci Teach 48: 1-12, 2011

/pdf/measuring-the-impact-of-a-science-center-on-its-community-3brccmeqcr.pdf

Measuring the impact of a science center on its community

Theory suggests that risk perceptions are influenced by trust in managing agencies. Shared goals and values (i.e., perceived similarity) are foundations of trust. This article examines the extent to which hunters perceive personal health risks associated with chronic wasting disease (CWD) (e.g., become ill from CWD) and the influence of perceived similarity and trust in state wildlife agencies as determinants of risk. Data were obtained from surveys (n = 9567) of resident and nonresident deer and elk hunters in eight states. Structural equation models showed that across all strata, hunters' perceptions of similarity with agencies positively influenced trust in agencies to manage CWD, explaining up to 49% of the variance in trust. Hunters who trusted agencies perceived less risk associated with CWD, but trust only explained up to 8% of the variance in risk. Hunters perceived similarity with and trust in wildlife agencies, but still perceived risks associated with CWD.

http://nature.forestry.oregonstate.edu/sites/default/files/2008-2%20SNR%20-%20Needham%20Vaske%20%282008%29.pdf

Hunter Perceptions of Similarity and Trust in Wildlife Agencies and Personal Risk Associated with Chronic Wasting Disease

Operating chairlifts at alpine ski areas during the summer to accommodate tourism and recreation activities (e.g. hiking and mountain biking) is increasing in popularity. Increasing summer use, however, may affect the ability of ski areas to sustain acceptable social conditions (e.g. crowding). In addition, little is known about encounters, crowding or acceptable use levels at ski areas during the summer. This article addresses these issues using data from surveys of summer visitors (n = 548) conducted at five separate sites in the Whistler Mountain ski area in British Columbia, Canada. Photographs and Likert-type scales measured visitors' encounters with others, perceived crowding and acceptance of use levels. Results showed that: (i) crowding and encounters differed among the sites; (ii) visitors at the backcountry sites rated encounters as less acceptable and possessed greater agreement regarding acceptable encounter levels compared with visitors at the more accessible sites; (iii) crowding and encounters were important indicators of summer use at each site; and (iv) visitors who felt more crowded encountered more people than their normative tolerances. Explanations for these findings and implications for managers and researchers are discussed. Copyright © 2004 John Wiley & Sons, Ltd.

/pdf/site-specific-encounters-norms-and-crowding-of-summer-kihuuopev6.pdf

Site-specific encounters, norms and crowding of summer visitors at alpine ski areas.

Recreation conflict has been examined relative to interpersonal (i.e., goal interference) conflict and differences in social values. Although this distinction is useful, prior methodologies for ope...

/pdf/clarifying-interpersonal-and-social-values-conflict-among-7ls8tfv5vt.pdf

Clarifying Interpersonal and Social Values Conflict among Recreationists

The impacts of chronic wasting disease (CWD) on hunters’ behavior and beliefs about acceptable management actions are not clearly understood. This article presents findings from an initial phase of a multi-stage, multi-state effort to address these knowledge gaps. Data were obtained from mail surveys (n = 659) of resident and nonresident deer hunters in eight states and elk hunters in three states. Hunters were presented with hypothetical situations of increasing: (1) CWD prevalence (all eight states), and (2) human health risks (two states). Logistic regression equations estimated that at current prevalence levels in some states, 3% (residents) to 5% (nonresidents) of hunters would stop hunting deer/elk in their state. If 50% of the deer or elk across the state were infected, approximately 42% (residents) and 54% (nonresidents) would stop hunting deer/elk in their state. In hypothetical situations where a hunter died from CWD at this prevalence level, the percentage was 68%. Potential for conflict indice...

/pdf/hunters-behavior-and-acceptance-of-management-actions-1wz3mnnbkt.pdf

Mark D. Needham

Papers

Measuring the impact of a science center on its community

Hunter Perceptions of Similarity and Trust in Wildlife Agencies and Personal Risk Associated with Chronic Wasting Disease

Site-specific encounters, norms and crowding of summer visitors at alpine ski areas.

Clarifying Interpersonal and Social Values Conflict among Recreationists

Hunters’ Behavior and Acceptance of Management Actions Related to Chronic Wasting Disease in Eight States