Additive and Multiplicative effects of work characteristics on entrepreneurs' health and success
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Presented at the 15th International Conference of the European Association of Work and Organizational Psychology, Maastricht, The Netherlands, May 25th-28th, 2011
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Additive and Multiplicative effects of work characteristics on entrepreneurs' health and success
- 1. Additive and multiplicative effects of work characteristics on entrepreneurs‘ health and success Dominika Dej Ute Stephan Jürgen Wegge 15th International Conference of the European Association of Work and Organizational Psychology, Maastricht, The Netherlands, 25-8 May 2011
- 6. Job demands-control-support model (Johnson & Hall, 1988; Karasek, 1979) High Low Low High Job control Psychological job demands Strain Learning, activation Social support Low-strain job No health risk, low activation Passive job Low activation, decreased problem-solving ability Active job Good health, personality development High-strain job Health risks
- 10. Methods SampleN=325 Entrepreneurs Companies Age M = 44 , SD =9.24, 77% men Information technology (IT, N=138) Gastronomy (N=187) Age M =16, SD =20.37 Employees number M =23, SD =30 IV Job control Psychological job demands Social support (7 Items, α=.73), Karasek, 1998 (6 Items, α=.64), Karasek, 1998 (15 Items, α=.84), Udris & Rieman, 1999 DV Vital exhaustion Psychological health Work engagement Work satisfaction Employee growth, annual entrepreneur income (9 Items, α=.83), Kopp et al., 1998 (6 Items, α=.76), Bullinger & Kirchberger, 1998 (9 Items, α=.91), Schaufeli et al., 2006 (12 Items, α=.76), Bellach et al., 1998 (2 Items, α=.74), Stephan et al., 2005
- 11. Results: Isostrain hypothesis Job demands Job control Social support Psychological health (Mean) Vital exhaustion (Sum) low high high 52.71 3.36 high high high 51.49 4.27 low low low high high low 49.45 5.08 high high high low low high 46.99 7.02 low low low 49.05 7.30 high low low 44.95 6.71 F(5, 326) = 4.19* F(5, 326) = 6.137*
- 13. Results: Learning hypothesis Job demands Job control Social support Work engagement (Mean) Work satisfaction (Mean) Employee growth Annual entrepreneur income low high high 4.68 5.38 44.54 4.64 high high high 4.88 5.13 54.19 4.68 low low high 4.12 4.84 33.64 4.50 low high low high high low 4.59 4.29 25.14 4.56 high low high low low low 3.96 4.64 17.91 4.56 high low low 4.60 4.62 30.92 4.40 F(5, 175) = 5.04* F(5, 326) = 7.08* F(5, 312) = .16* F(5, 234) = 1.83 n.s.
- 16. Thank you! [email_address] http://www. wop-psychology.de
Editor's Notes
- Scarce job resources, i.e. lack of human resources (workforce) and leadership proficiency
- = eingeengter Tätigkeitsspielraum bei hohen Arbeitsanforderungen und reduzierter sozialer Unterstützung stellen gesicherte Risikokonstellation dar für: Muskel-Skelett Beschwerden (Clays et al, 2007; Verhoeven et al., 2003, Saastamoinen et al., 2009)
- A moderating effect means that the multiplicative interaction of job resources and job demands accounts for an additional proportion in the variance on an outcome variable, i.e. health (Hu, Schaufeli & Taris, 2011). = eingeengter Tätigkeitsspielraum bei hohen Arbeitsanforderungen und reduzierter sozialer Unterstützung stellen gesicherte Risikokonstellation dar für: Muskel-Skelett Beschwerden (Clays et al, 2007; Verhoeven et al., 2003, Saastamoinen et al., 2009)
- In der Übereinstimmung mit der ……
- Neither job resources nor social support – separately or jointly – moderate psychological job demands’ effects on entrepreneurs’ psychological health or vital exhaustion.
- Entrepreneurs have active jobs, Less homogenous samples