Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Marjan Bakker"'
Autor:
Kim Janssens, Margot Joosen, Marjan Bakker, Claire Henderson, Jaap van Weeghel, Evelien Brouwers
Publikováno v:
Safety and Health at Work, Vol 13, Iss , Pp S292-S293 (2022)
Externí odkaz:
https://doaj.org/article/ed68154aaacc49c3bc3d9217e17478ae
Autor:
Emma Hofstra, Iman Elfeddali, Margot Metz, Marjan Bakker, Jacobus J. de Jong, Chijs van Nieuwenhuizen, Christina M. van der Feltz-Cornelis
Publikováno v:
BMC Psychiatry, Vol 19, Iss 1, Pp 1-17 (2019)
Abstract Background In the Netherlands, suicide rates showed a sharp incline and this pertains particularly to the province of Noord-Brabant, one of the southern provinces in the Netherlands. This calls for a regional suicide prevention effort. Metho
Externí odkaz:
https://doaj.org/article/8199d5b3a46e414c9970966852e2b61f
Autor:
Christina M. van der Feltz-Cornelis, Marjan Bakker, Arvind Kaul, Taco W. Kuijpers, Roland von Känel, Jonna F. van Eck van der Sluijs
Publikováno v:
Brain, Behavior, & Immunity - Health, Vol 9, Iss , Pp 100176- (2020)
Background: Interleukin 6 (IL-6) and high-sensitivity C-reactive protein (hsCRP) are biomarkers of systemic low-grade inflammation (SLI) in depression and anxiety. The question if SLI in those conditions is related to comorbid chronic medical conditi
Externí odkaz:
https://doaj.org/article/786a059049814fb68aba1b5b680d6b27
Autor:
Marjan Bakker, Coosje L S Veldkamp, Marcel A L M van Assen, Elise A V Crompvoets, How Hwee Ong, Brian A Nosek, Courtney K Soderberg, David Mellor, Jelte M Wicherts
Publikováno v:
PLoS Biology, Vol 18, Iss 12, p e3000937 (2020)
Researchers face many, often seemingly arbitrary, choices in formulating hypotheses, designing protocols, collecting data, analyzing data, and reporting results. Opportunistic use of "researcher degrees of freedom" aimed at obtaining statistical sign
Externí odkaz:
https://doaj.org/article/3217826dd20f48eb893d886d6934e2fa
Autor:
Marjan Bakker, Coosje L S Veldkamp, Olmo R van den Akker, Marcel A L M van Assen, Elise Crompvoets, How Hwee Ong, Jelte M Wicherts
Publikováno v:
PLoS ONE, Vol 15, Iss 7, p e0236079 (2020)
In this preregistered study, we investigated whether the statistical power of a study is higher when researchers are asked to make a formal power analysis before collecting data. We compared the sample size descriptions from two sources: (i) a sample
Externí odkaz:
https://doaj.org/article/5bf4d66aa7b0471ea03ffce5bdfcb54c
Autor:
Emma Hofstra, Iman Elfeddali, Marjan Bakker, Jacobus J. de Jong, Chijs van Nieuwenhuizen, Christina M. van der Feltz-Cornelis
Publikováno v:
Frontiers in Psychiatry, Vol 9 (2018)
BackgroundTime trends are one of the most studied phenomena in suicide research; however, evidence for time trends in the Dutch population remains understudied. Insight into time trends can contribute to the development of effective suicide preventio
Externí odkaz:
https://doaj.org/article/72072ce0cdc44e3c962382d03e40b787
Autor:
Jelte M Wicherts, Coosje L.S. Veldkamp, Hilde E. M. Augusteijn, Marjan Bakker, Robbie C. M. van Aert, Marcel A. L. M. van Assen
Publikováno v:
Frontiers in Psychology, Vol 7 (2016)
The designing, collecting, analyzing, and reporting of psychological studies entail many choices that are often arbitrary. The opportunistic use of these so-called researcher degrees of freedom aimed at obtaining statistically significant results is
Externí odkaz:
https://doaj.org/article/f714acba605d43e680501a55cb204620
Autor:
Marjan Bakker, Jelte M Wicherts
Publikováno v:
PLoS ONE, Vol 9, Iss 7, p e103360 (2014)
BackgroundThe removal of outliers to acquire a significant result is a questionable research practice that appears to be commonly used in psychology. In this study, we investigated whether the removal of outliers in psychology papers is related to we
Externí odkaz:
https://doaj.org/article/662c1909e73a4089b8047c4d65f3f269
Autor:
Paul De Boeck, Marjan Bakker, Robert Zwitser, Michel Nivard, Abe Hofman, Francis Tuerlinckx, Ivailo Partchev
Publikováno v:
Journal of Statistical Software, Vol 39, Iss 12 (2011)
In this paper we elaborate on the potential of the lmer function from the lme4 package in R for item response (IRT) modeling. In line with the package, an IRT framework is described based on generalized linear mixed modeling. The aspects of the frame
Externí odkaz:
https://doaj.org/article/22ef6321e73b4743b6e3e430b5caed27
Publikováno v:
PLoS ONE, Vol 6, Iss 11, p e26828 (2011)
BACKGROUND: The widespread reluctance to share published research data is often hypothesized to be due to the authors' fear that reanalysis may expose errors in their work or may produce conclusions that contradict their own. However, these hypothese
Externí odkaz:
https://doaj.org/article/1a44acbe691d4a2285723776dbcd2f15