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Laura M. S. Dekkers
University of Amsterdam
5Publications
3H-index
33Citations
Publications 5
Newest
Published on Mar 23, 2017in Assessment 3.80
Laura M. S. Dekkers3
Estimated H-index: 3
,
Anika Bexkens6
Estimated H-index: 6
+ 3 AuthorsHilde M. Huizenga23
Estimated H-index: 23
Items of the Resistance to Peer Influence Questionnaire (RPIQ) have a tree-based structure. On each item, individuals first choose whether a less versus more peer-resistant group best describes them; they then indicate whether it is “Really true” versus “Sort of true” that they belong to the chosen group. Using tree-based item response theory, we show that RPIQ items tap three dimensions: A Resistance to Peer Influence (RPI) dimension and two Response Polarization dimensions. We then reveal subg...
Laura M. S. Dekkers3
Estimated H-index: 3
(UvA: University of Amsterdam),
Brenda R. J. Jansen16
Estimated H-index: 16
(UvA: University of Amsterdam)
+ 1 AuthorsHilde M. Huizenga23
Estimated H-index: 23
(UvA: University of Amsterdam)
Abstract Background and Objectives Adolescence-related increases in both anxiety and risk taking may originate in variability in Intolerance of Uncertainty (IU), rendering the study of IU of importance. We therefore studied the psychometric properties of the Intolerance of Uncertainty Scale–Short version (IUS-12), including its associations with trait anxiety and risk taking, among adolescents. Methods A sample of 879 Dutch adolescents, from diverse educational levels, and with an equal distribu...
Published on Feb 1, 2017in NeuroImage 5.81
M.J.W. Van der Molen5
Estimated H-index: 5
(LEI: Leiden University),
Laura M. S. Dekkers3
Estimated H-index: 3
(UvA: University of Amsterdam)
+ 2 AuthorsMolen van der M. W49
Estimated H-index: 49
(UvA: University of Amsterdam)
Social connectedness theory posits that the brain processes social rejection as a threat to survival. Recent electrophysiological evidence suggests that midfrontal theta (4–8 Hz) oscillations in the EEG provide a window on the processing of social rejection. Here we examined midfrontal theta dynamics (power and inter-trial phase synchrony) during the processing of social evaluative feedback. We employed the Social Judgment paradigm in which 56 undergraduate women (mean age=19.67 years) were aske...
Published on Dec 1, 2015in Journal of Autism and Developmental Disorders 2.79
Laura M. S. Dekkers3
Estimated H-index: 3
(UvA: University of Amsterdam),
Norbert A. Groot1
Estimated H-index: 1
+ 2 AuthorsMartine F. Delfos1
Estimated H-index: 1
(Pontificia Universidad Católica del Ecuador)
This research presents the results of the first phase of the study on the prevalence of pupils with Autism Spectrum Disorder (ASD) in regular education in Quito, Ecuador. One-hundred-and-sixty-one regular schools in Quito were selected with a total of 51,453 pupils. Prevalence of ASD was assessed by an interview with the rector of the school or its delegate. Results show an extremely low prevalence of 0.11 % of pupils with any ASD diagnosis; another 0.21 % were suspected to have ASD, but were wi...
Published on Nov 1, 2015in Social Cognitive and Affective Neuroscience 3.66
Laura M. S. Dekkers3
Estimated H-index: 3
(UvA: University of Amsterdam),
Melle J.W. van der Molen6
Estimated H-index: 6
(LEI: Leiden University)
+ 2 AuthorsMolen van der M. W49
Estimated H-index: 49
(UvA: University of Amsterdam)
This study provides a joint analysis of the cardiac and electro-cortical—early and late P3 and feedback-related negativity (FRN)—responses to social acceptance and rejection feedback. Twenty-five female participants performed on a social- and age-judgment control task, in which they received feedback with respect to their liking and age judgments, respectively. Consistent with previous reports, results revealed transient cardiac slowing to be selectively prolonged to unexpected social rejection ...
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