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Selection of a gas sensor requires consideration of environmental effects that can significantly affect performance and cause false alarms. Metal‐oxide sensors have high sensitivity due to the specific interactions of gas molecules with thin metal‐oxide films, however, the films can also be sensitive to variations in temperature and humidity and some oxidizing and deoxidizing gases. The purpose of this paper is to evaluate the environmental effect on metal‐oxide nitrogen dioxide (NO₂) sensors quantitatively.

Three commercial metal‐oxide NO₂ sensors and one electrochemical sensor were tested simultaneously under controlled gas concentrations and various environmental conditions. For this test, a customized sensor testing setup was prepared including a gas mixer, heating module, gas chamber, electronics, and data acquisition units.

Based on the test results for NO₂ gas concentrations ranging from 0 to 10 ppm, the metal‐oxide sensors showed significant signal variations at elevated temperatures and humidity. The results provide overall sensor performance. Linearity, repeatability, selectivity and sensitivity of the metal‐oxide sensors were measured and compared to an electrochemical sensor.

A systematic evaluation to characterize metal‐oxide NO₂ sensors is presented, and their comparison regarding sensitivity, selectivity, linearity, and dependence on humidity and temperature is reported. The result provides sensor performance data and guideline for sensor evaluation.

This paper presents an updated summary of a meta-analysis of qualitative research on parenting children with disabilities published over the last 50 years. In this summary, we explore whether shifts in academic discourse and changes in professional training are reflected in research on parenting and/or the experiences of parents who are the subject of such research. The detailed findings of the original analysis were published in Volume 7 of Research in Social Science and Disability.

An extensive literature search was conducted, and 79 peer-reviewed qualitative studies on the experience of parenting a child with a disability were included in the sample. Themes were extracted from the reviewed literature and compared across decades.

The findings of the present review suggest that some aspects of the parenting experience have changed very little. In particular, parents continue to experience negative reactions such as stress and anomie, especially early in their children’s lives, and socially imposed barriers such as unhelpful professionals and a lack of needed services continue to create problems and inspire an entrepreneurial response. In addition, stigmatizing encounters with others continue to be a common occurrence. In contrast to earlier decades, studies conducted in more recent years have begun to use the social model of disability as an analytic frame and also increasingly report that parents are questioning and challenging the concept of “normal” itself.

Additional improvements are needed in professional education and services to reduce the negative reactions experienced by parents of children with disabilities. The findings of this meta-analysis can serve as a guide to future research on parenting children with disabilities.

Since the mid-1980s, much research attention has been devoted to top management teams and their impact on the strategic behavior and performance of firms. In particular, this research has focused on the role of top managers’ background, values, and experiences in explaining the choices they make. So far, this research has largely failed to address the national context in which top management teams are formed and operate. Empirical studies have typically involved top management teams of U.S. firms. Other studies are rare, and when they exist, they usually do not take the national context into account. This paper explores the impact of national context characterized by society-specific value systems and institutions, on the composition, organization, and functioning of top management. We address three topics in particular: (1) national variations in the structure and practices of top management and their implications for managerial choices; (2) national governance systems that define and constrain the tasks and functioning of top management teams; and (3) national institutions that help to define managerial selection, promotion, and career patterns.

Paramedics responding to emergencies have proven to have an impact on their mental health and well-being. Therefore, measuring and initiating resilience promotion and development during the educational process could promote health in this group. This study aims to cross-sectionally examine the self-reported resilience levels of bachelor paramedic students at a large Australian university.

A cross-sectional study using a convenience sample of first-, second- and third-year bachelor paramedic students was used from a large Australian university. The student’s resilience was measured using the 25-item Connor-Davidson Resilience Scale (CD-RISC) during 2019.

Two-hundred and twenty-nine students participated in the study, of which 55% were females. The total mean score for the CD-RISC was 72.6 [standard deviation (SD) = 13.2). The CD-RISC mean score of the first-, second- and third-year levels were 75.3 (SD = 13.2), 70.5 (SD = 14.4) and 73.8 (SD = 10.4), respectively, with no significant statistical difference (p-value = 0.1) and of which the second year formed the major sample (44.5%). Additionally, our findings show no significant variation in the CD-RISC mean score between males [70.8 (SD = 12.9)] and females [74.1 (SD = 13.3)], with p-value = 0.09.

The study findings suggest that paramedic students have moderate levels of self-reported resilience. These results, while specific to one university, provide essential data for the paramedic profession in addressing an important issue facing all paramedics around the world.

This chapter reviews qualitative research on parenting children with disabilities published over the last 50 years to explore whether shifts in academic discourse and changes in professional training have affected research on parenting and/or the experiences of parents who are the subject of such research.

An extensive literature search was conducted, and 78 peer-reviewed, qualitative studies on the experience of parenting a child with a disability were included in the sample. Themes were extracted from the reviewed literature and compared across decades.

The findings of the present review suggest that some aspects of the parenting experience have changed very little. In particular, parents continue to experience negative reactions such as stress and anomie, especially early in their children’s lives, and socially imposed barriers such as unhelpful professionals, and a lack of needed services continue to create problems and inspire an entrepreneurial response. In addition, stigmatizing encounters with others continue to be a common occurrence. In contrast to earlier decades, studies conducted in more recent years have begun to use the social model of disability as an analytic frame and also increasingly report that parents are questioning and challenging the concept of “normal” itself.

Additional improvements are needed in professional education and services to reduce the negative reactions experienced by parents of children with disabilities.

The findings of this meta-analysis can serve as a guide to future research on parenting children with disabilities.

The following chapter discusses common approaches to academic interventions and methods for intensifying instruction when previous attempts at instruction have failed. Contemporary research on intensive intervention is discussed along with competing frameworks for operationalizing intensive intervention to meet the needs of struggling learners.

Although management scholars have displayed a strong interest in top management teams, surprisingly little research has been devoted to the international dimensions of top management teams including their international diversity and their societal and cultural underpinnings. This paper provides a recent overview of empirical studies addressing the international dimension of top management teams and identifies avenues for future research. Particular attention is paid to the role of the institutional and cultural societal context in shaping the configuration of top management.