In: Infancy, 2020, p. 1-16
In this study, infants’ visual processing of depth-inducing stimuli was tested using a new method suitable for experimental settings. Stereograms of the Lang-Stereopad® were presented in a timed preferential-looking paradigm to determine infants’ preference for a stereogram as compared to a stimulus not inducing an impression of depth. A total of 80 infants were tested at 7 months of...
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In: Developmental Psychology, 2020, vol. 56, p. 261-274
Toddlers’ understanding of object rotation was investigated using a multi-method approach. Participants were 44 toddlers between 22 and 38 months of age. In an eye-tracking task, they observed a shape that rotated and disappeared briefly behind an occluder. In an object-fitting task, they rotated wooden blocks and fit them through apertures. Results of the eye-tracking task showed that with...
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In: Psychological Research, 2019, vol. 83, p. 855-893
The current study investigated whether children’s mental representations of numbers are organized spatially at the onset of formal schooling using a manual-pointing task. First- graders (N = 77) saw four numbers (1, 3, 7, 9) presented randomly in four spatial positions (extreme left, left, right, extreme right) on a touch screen. In a Go/No-Go task, children were asked to press the appearing...
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In: Psychological Research, 2019, vol. 83, no. 7, p. 1465-1484
Using a longitudinal approach, this study investigated the relational structure of different spatial transformation skills at kindergarten age, and how these spatial skills relate to children’s later mathematics performance. Children were tested at three time points, in kindergarten, first grade, and second grade (N = 119). Exploratory factor analyses revealed two subcomponents of spatial...
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In: Cognitive Development, 2018, vol. 45, p. 57-67
The present study investigated the role of spatial scaling and proportional-reasoning skills in children’s number-line estimations. Proportional strategies in number-line estimations might suggest that correlations between number-line knowledge and scaling are driven by proportional thinking. However, analyses of data on spatial scaling, proportional reasoning, counting skills, and...
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In: Journal of Experimental Child Psychology, 2015, vol. 132, p. 213–220
Previous research has indicated a close link between spatial and mathematical thinking. However, what shared processes account for this link? In this study, we focused on the spatial skill of map reading and the mathematical skill of proportional reasoning and investigated whether scaling, or the ability to relate information in different-sized representations, is a shared process. Scaling was...
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In: Cognitive Processing, 2013, vol. 14, no. 2, p. 117-127
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In: Child Development, 2013, vol. 84, no. 5, p. 1554-1565
In this study, 6-month-olds’ ability to mentally rotate objects was investigated using the violation-of-expectation paradigm. Forty infants watched an asymmetric object being moved straight down behind an occluder. When the occluder was lowered, it revealed the original object (possible) or its mirror image (impossible) in one of five orientations. Whereas half of the infants were allowed...
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In: Journal of Experimental Child Psychology, 2013, vol. 115, no. 4, p. 708-720
Recent evidence indicates that 6-month-old infants’ mental rotation of objects profits from prior manual experience, whereas observational experience does not have the same beneficial effect (Möhring, W. & Frick, A., 2013, Child Development). The present study investigated whether older infants, at 8 and 10 months of age, succeed in this task after observational experience only, and...
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In: Cognitive Processing, 2013, vol. 14, no. 2, p. 117-127
Mental rotation is an important spatial skill. However, there is controversy concerning its early development and susceptibility to intervention. In the present study, we assessed individual differences in the mental rotation abilities of children between 3½ and 5½ years of age, using a touch screen paradigm to simplify task demands. A figure or its mirror image was presented in 8 different...
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