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Dive into the research topics where Ruud J. R. Den Hartigh is active.

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Featured researches published by Ruud J. R. Den Hartigh.


International Journal of Sport Psychology | 2012

A qualitative exploration of the psychological contents and dynamics of momentum in sport.

Walid Briki; Ruud J. R. Den Hartigh; Denis Hauw; Christophe Gernigon

While studies on triggers and outcomes of Psychological Momentum (PM) exist, little is known about the dynamics by which PM emerges and develops over time. Based on video-assisted recalls of PM experiences in table tennis and swimming competitions, this study qualitatively explored the triggering processes, contents, and the development of PM over time. PM was found to be triggered by mechanisms of dissonance, consonance, or fear of not winning. During the PM experience, participants reported a variety of perceptions, affects and emotions, cognitions, and behaviors. PM was found to develop through processes of amplification that sometimes ended with a reduction of efforts when the victory or defeat was perceived as being inevitable. These findings are discussed in light of theories on self-regulation and reactance-helplessness. From a practical standpoint, achievement goal-based strategies are suggested, since mastery-approach goals were found to be endorsed to maintain positive PM and overcome negative PM.


PLOS ONE | 2014

How Psychological and Behavioral Team States Change during Positive and Negative Momentum

Ruud J. R. Den Hartigh; Christophe Gernigon; Nico W. Van Yperen; Ludovic Marin; Paul van Geert

In business and sports, teams often experience periods of positive and negative momentum while pursuing their goals. However, researchers have not yet been able to provide insights into how psychological and behavioral states actually change during positive and negative team momentum. In the current study we aimed to provide these insights by introducing an experimental dynamical research design. Rowing pairs had to compete against a virtual opponent on rowing ergometers, while a screen in front of the team broadcasted the ongoing race. The race was manipulated so that the team’s rowing avatar gradually progressed (positive momentum) or regressed (negative momentum) in relation to the victory. The participants responded verbally to collective efficacy and task cohesion items appearing on the screen each minute. In addition, effort exertion and interpersonal coordination were continuously measured. Our results showed negative psychological changes (perceptions of collective efficacy and task cohesion) during negative team momentum, which were stronger than the positive changes during positive team momentum. Moreover, teams’ exerted efforts rapidly decreased during negative momentum, whereas positive momentum accompanied a more variable and adaptive sequence of effort exertion. Finally, the interpersonal coordination was worse during negative momentum than during positive momentum. These results provide the first empirical insights into actual team momentum dynamics, and demonstrate how a dynamical research approach significantly contributes to current knowledge on psychological and behavioral processes.


Frontiers in Psychology | 2016

A Dynamic Network Model to Explain the Development of Excellent Human Performance

Ruud J. R. Den Hartigh; Marijn van Dijk; Henderien Steenbeek; Paul van Geert

Across different domains, from sports to science, some individuals accomplish excellent levels of performance. For over 150 years, researchers have debated the roles of specific nature and nurture components to develop excellence. In this article, we argue that the key to excellence does not reside in specific underlying components, but rather in the ongoing interactions among the components. We propose that excellence emerges out of dynamic networks consisting of idiosyncratic mixtures of interacting components such as genetic endowment, motivation, practice, and coaching. Using computer simulations we demonstrate that the dynamic network model accurately predicts typical properties of excellence reported in the literature, such as the idiosyncratic developmental trajectories leading to excellence and the highly skewed distributions of productivity present in virtually any achievement domain. Based on this novel theoretical perspective on excellent human performance, this article concludes by suggesting policy implications and directions for future research.


Self and Identity | 2015

The Temporal Structure of State Self-Esteem Variability During Parent-Adolescent Interactions: More Than Random Fluctuations

Naomi de Ruiter; Ruud J. R. Den Hartigh; R.F.A Cox; Paul van Geert; E. Saskia Kunnen

Research regarding the variability of state self-esteem (SSE) commonly focuses on the magnitude of variability. In this article we provide the first empirical test of the temporalstructure of SSE as a real-time process during parent–adolescent interactions. We adopt a qualitative phenomenological approach, whereby moment-to-moment emotional and behavioral indicators of SSE are measured as they emerged during the interactions, resulting in SSE time series. We conducted detrended fluctuation analyses (DFA) on the SSE time series and found that they exhibited a form of structured variability, called pink noise. The mean DFA exponent differed significantly from that of randomized surrogate data (p < .01), which revealed uncorrelated random variability, called white noise. This finding shows that the temporal structure of SSE variability exhibits self-similarity and is not random. In addition, a weak positive relationship was found between the DFA and context-independent autonomy levels.


Journal of Sport & Exercise Psychology | 2016

Psychological Momentum During and Across Sports Matches: Evidence for Interconnected Time Scales.

Ruud J. R. Den Hartigh; Paul van Geert; Nico W. Van Yperen; R.F.A Cox; Christophe Gernigon

This study on psychological momentum (PM) in sports provides the first experimental test of an interconnection between short-term PM (during a match) and long-term PM (across a series of matches). Twenty-two competitive athletes were striving to win a prize during a rowing-ergometer tournament, consisting of manipulated races. As hypothesized, athletes who had developed long-term positive PM after two successful races were less sensitive to a negative momentum scenario in the third race, compared with athletes who had developed long-term negative PM after two unsuccessful races. More specifically, the exerted efforts, perceptions of momentum, and self-efficacy were higher for participants who had developed long-term positive PM, and their perceptions of momentum and self-efficacy decreased less rapidly. These results illustrate a typical complex dynamical systems property, namely interconnected time scales, and provide deeper insights into the dynamical nature of PM.


Progress in Brain Research | 2017

Embedding the psychosocial biographies of Olympic medalists in a (meta-)theoretical model of dynamic networks

Ruud J. R. Den Hartigh; Nico W. Van Yperen; Paul van Geert

Based on in-depth interviews, Hardy et al. focused on the role of psychosocial factors in the development of elite and super-elite athletes. They reveal interesting differences and commonalities in the frequencies at which certain aspects related to life events, personality, contextual factors, etc. were reported. Here, we argue that insights in the development of (super-)elite athletes will advance if we go beyond explanations in the frequency-domain, and search for process explanations in the time-domain. This means that we should investigate how athletes develop from one time point to the next, and the next, etc., thereby examining how (psychosocial) factors change and combine across time, as well as how the timing of events can shape an athletes further developmental trajectory. We therefore present a process-oriented dynamic network model of talent development, assuming that (super-)elite performance develops out of structures of dynamically interacting (psychosocial) factors, which we illustrate using the outcomes of Hardy et al.


Journal of cognitive psychology | 2014

Characterising expert representations during real-time action: A Skill Theory application to soccer

Ruud J. R. Den Hartigh; Steffie van der Steen; Mart De Meij; Nico W. Van Yperen; Christophe Gernigon; Paul van Geert

In various domains, experts are found to possess elaborate domain-specific representations they developed over years. In this study, we provide the first systematic attempt to characterise the short-term representations among individuals with different expertise levels. We showed videos of soccer game plays to expert, near-expert and non-expert soccer players and asked them to describe the actions taking place. Verbalisations were coded based on Fischers Skill Theory. Monte Carlo permutation tests revealed that players with higher expertise constructed representations of higher complexity (regardless of their specific content). Taking the content of the representations into account, we found that higher expertise soccer players relatively more often included high complexity levels of actions not including the ball and (moving) players on the field. These findings improve our understanding of perceptual-cognitive expertise by demonstrating how actors with different levels of expertise integrate the information they perceive to construct their representations in real time.


Springer Handbook of Model-Based Science | 2017

Complex versus Complicated Models of Cognition

Ruud J. R. Den Hartigh; R.F.A Cox; Paul van Geert

As humans, we continuously adapt our behavior to changes in our environment, and our cognitive abilities continuously develop over time. A major question for scientists has been to discover the (cognitive) mechanism that underlies the control of human behavior in real time, as well as cognitive development in the long term. This chapter will discuss two kinds of general approaches, which we shall refer to as the reductionist approach and the complex dynamic systems (CDS ) approach. Roughly speaking, the reductionist approach assumes that separate cognitive components, such as brain areas or processing mechanisms, are primarily responsible for behavior and development, by processing (and responding to) specific environmental cues. The CDS approach assumes that cognition and thereby the control of behavior and development are distributed over the brain, body, and environment, which continuously interact over time. The aim of this chapter is to compare the two approaches in terms of their assumptions, research strategies, and analyses. Furthermore, we will discuss the extent to which current research data in the cognitive domain can be explained by the two different approaches. Based on this review, we conclude that the CDS approach, which assumes a complex rather than a complicated model of cognition, provides the most plausible approach to cognition.


Journal of Sports Sciences | 2017

Differences in game reading between selected and non-selected youth soccer players

Ruud J. R. Den Hartigh; Steffie van der Steen; Bas Hakvoort; Wouter Frencken; Koen Lemmink

ABSTRACT Applying an established theory of cognitive development―Skill Theory―the current study compares the game-reading skills of youth players selected for a soccer school of a professional soccer club (n = 49) and their non-selected peers (n = 38). Participants described the actions taking place in videos of soccer game plays, and their verbalisations were coded using Skill Theory. Compared to the non-selected players, the selected players generally demonstrated higher levels of complexity in their game-reading, and structured the information of game elements―primarily the player, teammate and field―at higher complexity levels. These results demonstrate how Skill Theory can be used to assess, and distinguish game-reading of youth players with different expertise, a skill important for soccer, but also for other sports.


International Journal of Behavioral Development | 2017

Capturing moment-to-moment changes in multivariate human experience

Naomi de Ruiter; Steffie van der Steen; Ruud J. R. Den Hartigh; Paul van Geert

In this article, we aim to shed light on a technique to study intra-individual variability that spans the time frame of seconds and minutes, i.e., micro-level development. This form of variability is omnipresent in behavioural development and processes of human experience, yet is often ignored in empirical studies, given a lack of proper analysis tools. The current article illustrates that a clustering technique called Kohonen’s Self-Organizing Maps (SOM), which is widely used in fields outside of psychology, is an accessible technique that can be used to capture intra-individual variability of multivariate data. We illustrate this technique with a case study involving self-experience in the context of a parent–adolescent interaction. We show that, with techniques such as SOM, it is possible to reveal how multiple components of an intra-individual process (the adolescent’s self-affect and autonomy) are non-linearly connected across time, and how these relationships transition in accordance with a changing...In this article, we aim to shed light on a technique to study intra-individual variability that spans the time frame of seconds and minutes, i.e., micro-level development. This form of variability is omnipresent in behavioural development and processes of human experience, yet is often ignored in empirical studies, given a lack of proper analysis tools. The current article illustrates that a clustering technique called Kohonen’s Self-Organizing Maps (SOM), which is widely used in fields outside of psychology, is an accessible technique that can be used to capture intra-individual variability of multivariate data. We illustrate this technique with a case study involving self-experience in the context of a parent–adolescent interaction. We show that, with techniques such as SOM, it is possible to reveal how multiple components of an intra-individual process (the adolescent’s self-affect and autonomy) are non-linearly connected across time, and how these relationships transition in accordance with a changing contextual factor (parental connectedness) during a single interaction. We aim to inspire researchers to adopt this technique and explore the intra-individual variability of more developmental processes, across a variety of domains, as deciphering such micro-level processes is crucial for understanding the nature of psychological and behavioural development.

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R.F.A Cox

University of Groningen

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