Browsing by Author "De Beer, Leon"
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A confirmatory investigation of a job demands-resources model using a categorical estimator
De Beer, Leon; Rothmann, Sebastiaan; Pienaar, Jaco (Sage, 2012)A confirmatory investigation of a job demands-resources model was conducted with alternative methods, in a sample of 15,633 working adults aggregated from various economic sectors. The proposed model is in line with job ... -
Employee well-being, intention to leave and perceived employability: a psychological contract approach
Van der Vaart, Leoni; Linde, Bennie; De Beer, Leon; Cockeran, Marike (AOSIS, 2015)Employability emerged as a "new psychological contract" that may have beneficial effects on both individual and organisational outcomes. The study set out to investigate the relationship between perceived employability and ... -
The selective extraction of Hf from Zr(Hf)Cl4(aq) using organophosphorous derivatives
De Beer, Leon (North-West University (South Africa), 2015)While traditional solvent extraction (SX) separations of Zr and Hf focus on the preferential extraction of Zr (majority solute) from Hf (minority solute), the aim of this study was to ascertain whether the selective ... -
Strengths use and deficit correction in organizations: development and validation of a questionnaire
Van Woerkom, Marianne; Mostert, Karina; Els, Crizelle; Bakker, Arnold B.; De Beer, Leon; Rothmann, Sebastiaan (Taylor & Francis, 2016)Although the positive psychology tradition emphasizes the importance of a balanced approach regarding individual strengths and weaknesses, there is no valid instrument to measure these phenomena in organizations. The purpose ... -
The mediating effect of leader-member exchange between strengths use and work engagement
Els, Crizelle; Viljoen, Jolandie; De Beer, Leon; Brand-Labuschagne, Lelani (Taylor & Francis, 2016)This study investigated the mediating effect of leader-member exchange (LMX) (as perceived by subordinates) in the relationship between strengths use and work engagement. Participants numbered 213 employees in a South ... -
The time dependent solvent extraction of Ta and Nb
Van der Westhuizen, Derik J.; De Beer, Leon; Ungerer, Marietjie J.; Krieg, Henning M. (Trans Tech Publications, 2014)The suitability of Liquid-liquid extraction (LLE) for the selective extraction of chemically similar tantalum (Ta) and niobium (Nb) mixtures was investigated by determining the influence of the acid concentration, extractant ...