Biography:

In the past Mark Nielsen has collaborated on articles with Thomas Suddendorf and Janine Oostenbroek. One of their most recent publications is The persistent sampling bias in developmental psychology: A call to action. Which was published in journal Journal of Experimental Child Psychology.

More information about Mark Nielsen research including statistics on their citations can be found on their Copernicus Academic profile page.

Mark Nielsen's Articles: (5)

The persistent sampling bias in developmental psychology: A call to action

Highlights•Provides data on extent & nature of sampling bias in developmental psychology.•Shows little publication strategy change despite awareness of data collection issues.•Provides suggestions by which the field might begin to move forward.

Visual self-recognition in mirrors and live videos: Evidence for a developmental asynchrony

AbstractThree experiments (N = 123) investigated the development of live-video self-recognition using the traditional mark test. In Experiment 1, 24-, 30- and 36-month-old children saw a live video image of equal size and orientation as a control group saw in a mirror. The video version of the test was more difficult than the mirror version with only the oldest children's performance approaching ceiling. In Experiment 2, most 24-month-olds showed self-recognition when presented with a TV-set that featured a mirror in place of a screen. This finding does not substantiate the possibility that expectations about what appears on TV are responsible for the asynchrony. In Experiment 3, children were given a mark-test involving only their legs. Again, a video version was more difficult than previously reported performance with mirrors, suggesting that the impossibility of eye-contact in video cannot explain this developmental asynchrony. The findings suggest that self-recognition can be added to the growing list of contexts in which 2-year-olds display what has been called a “video deficit” [Anderson, D. R., & Pempek, T. A. (2005). Television and very young children. American Behavioral Scientist, 48, 505–532].

ReportComprehensive Longitudinal Study Challenges the Existence of Neonatal Imitation in Humans

Highlights•Human infants were shown 11 gestures at 1, 3, 6, and 9 weeks of age•Infant production of these gestures was independent of what was modeled•Purported imitation effects were replicated but vanished in light of extra controls•The findings demand a reconceptualization of the roots of human social cognition

Original ArticleThe influence of goal demotion on children's reproduction of ritual behavior

AbstractRituals are a ubiquitous feature of human behavior, yet we know little about the cognitive mechanisms that enable children to recognize them and respond accordingly. In this study, 3 to 6 year old children living in Bushman communities in South Africa were shown a sequence of causally irrelevant actions that differed in the extent to which goal demotion was a feature. The children consistently replicated the causally irrelevant actions but when such actions were also fully goal demoted they were reproduced at significantly higher rates. These findings highlight how causal opacity and goal demotion work in tandem to demarcate actions as being ritualistic, and specifically, how goal demotion uniquely influences the reproduction of ritualistic actions.

Anaerobic photocleavage of supercoiled DNA by a ruthenium(II) substituted fluorinated porphyrin

AbstractTwo ruthenium substituted porphyrins differing only by the substitution of a mesopentafluorophenyl group show drastically different DNA photocleavage results. The incorporation of the pentafluorophenyl group provides greater photodynamic efficiency and in addition is capable of causing DNA cleavage in the absence of oxygen.

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