Teilnahmeverweigerungen in Betriebsbefragungen / Unit-Nonresponse in Establishments Surveys

2014 ◽  
Vol 234 (4) ◽  
Author(s):  
Florian Janik
Keyword(s):  
Additional Data ◽  
Relevant Information ◽  
Theoretical Framework ◽  
Establishment Size ◽  
Employment Agency ◽  
Unit Nonresponse ◽  
Organizational Surveys ◽  
Iab Establishment Panel ◽  
Highly Correlated ◽  
First Time

SummaryThe aim of this paper is to analyze unit-nonresponse for establishments surveyed for the first time in the IAB Establishment Panel. This is not only useful to understand nonresponse in this particular survey but to increase knowledge about nonresponse in business surveys overall. Therefore a theoretical framework is presented which helps to explain these processes in establishment surveys. To test this theory additional data from the federal employment agency about the establishments and data about the conducting interviewers is used. Empirical results mainly confirm the theoretical framework. If the respondent has the authority to provide relevant information and is able to give reliable answers to the questions with a justifiable amount of effort, participation is less frequently refused. Both aspects are highly correlated with establishment size and the complexity of the firm. It can also be shown that experienced and professional interviewers are more successful in recruiting firms to take part in the survey. The findings can be used to improve the study design in organizational surveys.

scholarly journals Shareholders’ perception of management communications in annual general meetings: narrative or not?

2020 ◽  
Vol 2020 (2) ◽  
pp. 77-103
Author(s):  
Malektaj Maleki Oskouei ◽  
Hashem Nikoomaram ◽  
Freydoon Rahnama Roodposhti
Keyword(s):  
Conceptual Model ◽  
Questionnaire Survey ◽  
Relevant Information ◽  
Theoretical Framework ◽  
Mediating Effect ◽  
Annual General ◽  
Management Board ◽  
Narrative Perspective ◽  
First Time ◽  
Management Communications

This study investigates management communications in annual general meetings (AGMs) from a narrative perspective. This study evaluates the effective elements of AGMs from the shareholder’s viewpoint. According to the theoretical framework, the authors developed a conceptual model and extracted the suggested narrative model for the first time. The shareholder’s perception was measured through a questionnaire survey containing three sections – narrative, audience, and narrator – with 32 indicators from 151 shareholders measuring shareholders’ opinions about AGMs in Iran. The results indicate that although shareholders do not consider the AGM communications made by management board as a narrative, they obtain relevant information with a logical flow in AGMs, and believe that these relations are useful. The characteristics of the management board impact on the persuasiveness of their communications. The results supported the mediating effect of AGM communication between managers and shareholders

A Comparison of Airline Safety Videos in Information Acquisition

2017 ◽  
Vol 61 (1) ◽  
pp. 1671-1673 ◽  
Author(s):  
Allison Ragan ◽  
Tessa Sommer ◽  
Frank Drews
Keyword(s):  
Information Acquisition ◽  
Safety Information ◽  
Relevant Information ◽  
Flight Safety ◽  
Information Retention ◽  
Short Answer ◽  
Airline Safety ◽  
Short Answer Questions ◽  
First Time

This study examined the effect of humor on airline safety information retention. Passenger attention to pre- flight safety demonstrations is low, even though it may impact the chance of survival in an aviation accident. Airlines have employed humor and entertainment to educate passengers on safety information. This study explored whether the humorous presentation increases retention of safety information, or if humor acts as a distraction from safety relevant information. Participants viewed two pre-flight safety demonstration videos (humorous and non-humorous) in counterbalanced order then answered short-answer questions about the content of the videos. Retention scores after viewing either type of video for the first time were the same. However, when a humorous video was shown prior to a standard safety video, retention scores for safety material dropped. These findings suggest that humorous safety demonstrations may be more effective, not because they are best at conveying information, but because passengers do not attend to standard videos if they have previously been exposed to a humorous version.

scholarly journals A Pandemia Covid-19 e o Estado de Emergência em Portugal: Breves Considerações Sobre Políticas Públicas

2020 ◽  
Vol 14 ◽  
pp. 33-45
Author(s):  
Leandro Berenguer ◽  
◽  
Keyword(s):  
Civil Society ◽  
Public Policies ◽  
Third Republic ◽  
Theoretical Framework ◽  
The State ◽  
Fundamental Rights ◽  
Top Down ◽  
State Of Emergency ◽  
The Third ◽  
First Time

The COVID-19 pandemic prompted States to adopt exceptional measures to contain their spreads rates and therefore mitigate their effects. In Portugal there was a need to resort to the figure of the state of emergency, being used for the first time since the foundation of the third Republic. To respond to a situation of public calamity, the suspension, albeit partial, of fundamental rights, freedoms and guarantees was used, adopting measures with repercussions in the most varied areas of civil society. Based on the security context of a State, this article intends to analyse the declarations of the state of emergency in Portugal in the light of the theoretical framework of public policies, reflecting on the process of implementing the state of emergency. To this end, the top-down and bottom-up approaches are placed in confrontation as the main theories of public policies implementation in the analysis of the unprecedented political context in Portugal.

scholarly journals On the millipede genus Heteropyge: description of the adults of H. araguayensis and revalidation of H. bidens (Diplopoda: Spirostreptida: Spirostreptidae)

2019 ◽  
Vol 109 ◽  
Author(s):  
Luiz F. M. Iniesta ◽  
Rodrigo S. Bouzan ◽  
Antonio D. Brescovit
Keyword(s):  
Additional Data ◽  
New Records ◽  
South American ◽  
The South ◽  
Mato Grosso ◽  
Araguaia River ◽  
First Time

ABSTRACT The South American genus Heteropyge Silvestri, 1897 is revised, accommodating now six accepted species. Adults of the poorly known species Heteropyge araguayensis (Schubart, 1947) are described for the first time from near-topotypic material collected near the Araguaia River, state of Mato Grosso, Brazil. In addition, based on recent samplings and on material from Schubart’s collection, H. bidens (Schubart, 1945) is removed from the synonymy of H. cayennophilus (Silvestri, 1897) and revalidated. Both species show significant differences concerning the gonopods and male leg-pair 1. New records and additional data for H. bidens and H. cayennophilus are provided, as well as an updated checklist of the species belonging to Heteropyge.

scholarly journals Literatuurgeschiedschrijving én empirische literatuurwetenschap?

1970 ◽  
Vol 57 ◽  
pp. 21-35
Author(s):  
Daan Vandenhaute
Keyword(s):  
Empirical Study ◽  
Empirical Research ◽  
Theoretical Framework ◽  
Empirical Approach ◽  
First Time

The empirical study of literature might be tolerated as a discipline, withinliterary studies it remains an unknown, peripheral possibility, that has to dealwith a lot of scepticism and ignorance. Often it is associated with sheer quantitativeresearch, only focusing, moreover, on the contemporary. In this articleI try to show that the empirical approach also can be applied for the study ofliterary history, with attention paid to qualitative aspects. I demonstrate thisby means of empirical research I have done into the Swedish first time poetsof the 1970s. I point out that the empirical study of literature is conceived ofas a methodology that is applied within a specific theoretical framework, thesystemic study of literature.

scholarly journals Diversity of tree frogs (Amphibia: Anura: Rhacophoridae) from Lai Chau Province, Vietnam

2019 ◽  
Vol 35 (2) ◽  
Author(s):  
Anh Van Pham
Keyword(s):  
Additional Data ◽  
Morphological Characters ◽  
Iucn Red List ◽  
Red List ◽  
Red Data Book ◽  
The Family ◽  
History Of ◽  
Data Book ◽  
Tree Frogs ◽  
First Time

We report 13 species of treefrogs belonging to six genera of the family Rhacophoridae from Lai Chau Province on the basis of new amphibian collection from Sin Ho District. Four of them, Kurixalus bisacculus, Polypedates mutus, Rhacophorus kio, and Theloderma bicolor are recorded for the first time from this province. We also provide additional data of morphological characters and  natural history of the afore mentioned species. Among 13 recorded species of rhacophorids from Lai Chau Province, two species is listed in the IUCN Red List (2018) and two are listed in the Red Data Book of Vietnam (2007).

Oxidative Stress and Metabolism: A Mechanistic Insight for Glyphosate Toxicology

2022 ◽  
Vol 62 (1) ◽  
pp. 617-639
Author(s):  
Xiaojing Wang ◽  
Qirong Lu ◽  
Jingchao Guo ◽  
Irma Ares ◽  
Marta Martínez ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Metabolic Pathways ◽  
Antioxidant Status ◽  
Toxicity Mechanism ◽  
Effective Strategies ◽  
Mechanistic Insight ◽  
New Ideas ◽  
Highly Correlated ◽  
First Time ◽  
Exogenous Substances

Glyphosate (GLYP) is a widely used pesticide; it is considered to be a safe herbicide for animals and humans because it targets 5-enolpyruvylshikimate-3-phosphate synthase. However, there has been increasing evidence that GLYP causes varying degrees of toxicity. Moreover, oxidative stress and metabolism are highly correlated with toxicity. This review provides a comprehensive introduction to the toxicity of GLYP and, for the first time, systematically summarizes the toxicity mechanism of GLYP from the perspective of oxidative stress, including GLYP-mediated oxidative damage, changes in antioxidant status, altered signaling pathways, and the regulation of oxidative stress by exogenous substances. In addition, the metabolism of GLYP is discussed, including metabolites,metabolic pathways, metabolic enzymes, and the toxicity of metabolites. This review provides new ideas for the toxicity mechanism of GLYP and proposes effective strategies for reducing its toxicity.

New data on Corixidae and Hebridae (Heteroptera) of Kazakhstan

2021 ◽  
Vol 30 (2) ◽  
pp. 339-345
Author(s):  
E.V. Kanyukova ◽  
V.A. Stolbov ◽  
S.D. Sheykin ◽  
S.A. Ivanov
Keyword(s):  
Additional Data ◽  
First Time

The species Sigara (Subsigara) oxiana Jansson, 1983 (Corixidae) is recorded for the first time from Kazakhstan. New data on the distribution of two species, which are rare in Kazakhstan, Sigara (Subsigara) fossarum (Leach, 1817) and Hebrus (Hebrus) pilipes Kanyukova, 1997 (Hebridae) are also provided. Additional data on sampling localities of Callicorixa producta producta (Reuter, 1880), Corixa affinis Leach, 1817 and Corixa punctata (Illiger, 1807) in Kazakhstan are reported. Additions to the bibliography on aquatic and semiaquatic heteropterans of the Kazakh fauna are given.

scholarly journals Multi-static spatial and angular studies of polar mesospheric summer echoes combining MAARSY and KAIRA

2018 ◽  
Author(s):  
Jorge L. Chau ◽  
Derek McKay ◽  
Juha P. Vierinen ◽  
Cesar La Hoz ◽  
Thomas Ulich ◽  
...  
Keyword(s):  
Direct Evidence ◽  
Middle Atmosphere ◽  
Lower Sensitivity ◽  
Wind Fields ◽  
Receiver Array ◽  
Schmidt Numbers ◽  
Summer Echoes ◽  
Imaging Receiver ◽  
Highly Correlated ◽  
First Time

Abstract. Polar mesospheric summer echoes (PMSEs) have been long associated with Noctilucent clouds (NLCs). For large ice particles sizes and relatively high ice densities, PMSE and NLCs have been shown to be highly correlated at 3-m Bragg wavelengths and are known to be good tracers of the atmospheric wind dynamics. Combining the Middle Atmosphere ALOMAR Radar System (MAARSY) and the Kilpisjärvi Atmospheric Imaging Receiver Array (KAIRA), i.e., monostatic and bistatic observations, we show for the first time direct evidence of limited-volume PMSE structures drifting more than 90 km almost unchanged. These structures are shown to have widths of 5–15 km and are separated by 20–60 kms, consistent with structures due to atmospheric waves previously observed in NLCs from the ground and from space. Given the lower sensitivity of KAIRA, the observed features are attributed to echoes from regions with high Schmidt numbers that provide a large radar cross-section. The bistatic geometry allows us to determine an upper value for the angular sensitivity of PMSE echoes at meter scales. We find no evidence for strong aspect sensitivity for PMSE echoes, which is consistent with recent observations using radar imaging approaches. Our results indicate that multi-static all-sky interferometric radar observations of PMSE could be a powerful tool for studying mesospheric wind-fields within large geographic areas.

scholarly journals Phylogeny of Anopheles (Kerteszia) (Diptera: Culicidae) Using Mitochondrial Genes

Insects ◽  
2020 ◽  
Vol 11 (5) ◽  
pp. 324 ◽  
Author(s):  
Karin Kirchgatter ◽  
Lilian de Oliveira Guimarães ◽  
Henrry Hugo Yañez Trujillano ◽  
Fernando Rafael Arias ◽  
Abraham Cáceres ◽  
...  
Keyword(s):  
Dna Sequences ◽  
Species Recognition ◽  
Phylogenetic Analyses ◽  
Mosquito Species ◽  
Relevant Information ◽  
Neotropical Region ◽  
Similar Species ◽  
Serra Do Mar ◽  
Additional Tool ◽  
First Time

Identification of mosquito species is necessary for determining the entomological components of malaria transmission, but it can be difficult in morphologically similar species. DNA sequences are largely used as an additional tool for species recognition, including those that belong to species complexes. Kerteszia mosquitoes are vectors of human and simian malaria in the Neotropical Region, but there are few DNA sequences of Kerteszia species in public databases. In order to provide relevant information about diversity and improve knowledge in taxonomy of Kerteszia species in Peru, we sequenced part of the mitochondrial genome, including the cytochrome c oxidase I (COI) barcode region. Phylogenetic analyses structured all species of mosquitoes collected in Peru into a single clade, separate from the Brazilian species. The Peruvian clade was composed of two lineages, encompassing sequences from Anopheles (Kerteszia) boliviensis and Anopheles (Kerteszia) pholidotus. An. pholidotus sequences were recorded for the first time in Peru, whereas An. boliviensis sequences were for the first time published in the GenBank database. Sequences generated from specimens morphologically identified as Anopheles (Kerteszia) cruzii clustered into three separate clades according to the collection localities of Serra do Mar, Serra da Mantiqueira, and Serra da Cantareira, confirming An. cruzii as a species complex, composed of at least three putative species.

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