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result(s) for
"Seland, Jonathan"
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Development and preliminary validation of the work-unit performance questionnaire
2021
Background: Serious shortcomings are identified in the Performance Index (PI), developed by Spangenberg and Theron (2004). Attempts are made to correct these shortcomings. Aim: The primary objective of this research study was to develop and preliminary validate a generic Work-Unit Performance Questionnaire, based on the Performance Index of Spangenberg and Theron (2004), correcting shortcomings identified in that particular PI. Setting: The study used convenience sampling that consisted of 202 respondents from a variety of South African industries. The article draws on findings in the thesis of Seland (2019). Methods: The development and preliminary validation of the Work-Unit Performance Questionnaire (WUPQ) was required. The WUPQ consists of dual subscales, the Work-Unit Competency Questionnaire (WUCQ), which consists of seven latent behavioural competency variables, and the Work-Unit Outcome Questionnaire (WUOQ), which consists of six latent outcome variables. Results: Both measurement models (WUCP & WUOQ) showed close fit; however, two factor loadings in the WUCQ measurement model had to be constrained. Reasonable structural model fit was found in the sample. Support was found for 11 of the original 21 path-specific substantive hypotheses and for an additional hypothesis. Conclusion: The proposed model can be used by managers, with caution due to the intentional exclusion of competency potential and situational variables, to diagnose poor work-unit performance. Furthermore, it is encouraged that this research be the starting point for further analyses of work-unit performance and advance validation of the instrument.
Journal Article
Interactions between the atmosphere, cryosphere, and ecosystems at northern high latitudes
by
Castarède, Dimitri
,
Berninger, Frank
,
Roldin, Pontus
in
1993
,
aerosol-climate interactions
,
Aerosols
2019
The Nordic Centre of Excellence CRAICC (Cryosphere–Atmosphere Interactions in a Changing Arctic Climate), funded by NordForsk in the years 2011–2016, is the largest joint Nordic research and innovation initiative to date, aiming to strengthen research and innovation regarding climate change issues in the Nordic region. CRAICC gathered more than 100 scientists from all Nordic countries in a virtual centre with the objectives of identifying and quantifying the major processes controlling Arctic warming and related feedback mechanisms, outlining strategies to mitigate Arctic warming, and developing Nordic Earth system modelling with a focus on short-lived climate forcers (SLCFs), including natural and anthropogenic aerosols. The outcome of CRAICC is reflected in more than 150 peer-reviewed scientific publications, most of which are in the CRAICC special issue of the journal Atmospheric Chemistry and Physics. This paper presents an overview of the main scientific topics investigated in the centre and provides the reader with a state-of-the-art comprehensive summary of what has been achieved in CRAICC with links to the particular publications for further detail. Faced with a vast amount of scientific discovery, we do not claim to completely summarize the results from CRAICC within this paper, but rather concentrate here on the main results which are related to feedback loops in climate change–cryosphere interactions that affect Arctic amplification.
Journal Article
Interactions between the atmosphere, cryosphere, and ecosystems at northern high latitudes
2019
The Nordic Centre of Excellence CRAICC (Cryosphere–Atmosphere Interactions in a Changing Arctic Climate), funded by NordForsk in the years 2011–2016, is the largest joint Nordic research and innovation initiative to date, aiming to strengthen research and innovation regarding climate change issues in the Nordic region. CRAICC gathered more than 100 scientists from all Nordic countries in a virtual centre with the objectives of identifying and quantifying the major processes controlling Arctic warming and related feedback mechanisms, outlining strategies to mitigate Arctic warming, and developing Nordic Earth system modelling with a focus on short-lived climate forcers (SLCFs), including natural and anthropogenic aerosols. The outcome of CRAICC is reflected in more than 150 peer-reviewed scientific publications, most of which are in the CRAICC special issue of the journal Atmospheric Chemistry and Physics. This paper presents an overview of the main scientific topics investigated in the centre and provides the reader with a state-of-the-art comprehensive summary of what has been achieved in CRAICC with links to the particular publications for further detail. Faced with a vast amount of scientific discovery, we do not claim to completely summarize the results from CRAICC within this paper, but rather concentrate here on the main results which are related to feedback loops in climate change–cryosphere interactions that affect Arctic amplification.
Journal Article
Interactions between the atmosphere, cryosphere, and ecosystems at northern high latitudes
2019
The Nordic Centre of Excellence CRAICC (Cryosphere–Atmosphere Interactions in a Changing Arctic Climate), funded by NordForsk in the years 2011–2016, is the largest joint Nordic research and innovation initiative to date, aiming to strengthen research and innovation regarding climate change issues in the Nordic region. CRAICC gathered more than 100 scientists from all Nordic countries in a virtual centre with the objectives of identifying and quantifying the major processes controlling Arctic warming and related feedback mechanisms, outlining strategies to mitigate Arctic warming, and developing Nordic Earth system modelling with a focus on short-lived climate forcers (SLCFs), including natural and anthropogenic aerosols. The outcome of CRAICC is reflected in more than 150 peer-reviewed scientific publications, most of which are in the CRAICC special issue of the journal Atmospheric Chemistry and Physics. This paper presents an overview of the main scientific topics investigated in the centre and provides the reader with a state-of-the-art comprehensive summary of what has been achieved in CRAICC with links to the particular publications for further detail. Faced with a vast amount of scientific discovery, we do not claim to completely summarize the results from CRAICC within this paper, but rather concentrate here on the main results which are related to feedback loops in climate change–cryosphere interactions that affect Arctic amplification.
Journal Article