Superlative quantifiers ("at least 3", "at most 3") and comparative quantifiers ("more than 2", "fewer than 4") are traditionally taken to be interdefinable: the received view is that "at least n" and "at most n" are equivalent to "more than n-1" and "fewer than n+1",…

Investigations of people's understanding of the evolution of species have focused mainly on secondary school and university students. Very few investigations have taken into consideration younger students, and none have related children's ideas about the origin of species to formal instruction on this topic. To help fill this gap, the present…

Aim: Plasticity in the developing brain is a controversial issue. Although language and motor function often recover remarkably well following early brain injury, recent evidence suggests that damage to the developing brain results in significant long-term neuropsychological impairment. Our aim was to investigate the relationship among age at…

Research on aging has indicated that whereas deliberative cognitive processes decline with age, emotional processes are relatively spared. To examine the implications of these divergent trajectories in the context of health care choices, we investigated whether instructional manipulations emphasizing a focus on feelings or details would have…

In Experiment 1, Japanese children (4-, 5-, 7-, and 10-year-olds (n = 78)) and adults (n = 36), answered questions about the possibility of psychogenic bodily reactions, i.e., bodily outcomes with origins in the mind. The 4- and 5-year-old preschoolers typically denied that bodily conditions could originate in mental states. Developmentally,…

Since the 1920s researchers have been studying children's temporal concepts, concluding that the concept of time is complex and difficult to teach children. This research literature review aims to provide a theoretical framework to guide future research about time-related teaching in primary school. After preliminary considerations about the…

The comparison distance effect (CDE), whereby discriminating between two numbers that are far apart is easier than discriminating between two numbers that are close, has been considered as an important indicator of how people represent magnitudes internally. However, the underlying mechanism of this CDE is still unclear. We tried to shed further…

To investigate the relation between cognitive and affective social understanding, Japanese 4- to 8-year-olds received tasks of first- and second-order false beliefs and prosocial and self-presentational display rules. From 6 to 8 years, children comprehended display rules, as well as second-order false belief, using social pressures justifications…

The ability to recall contextual details associated with an event begins to develop in the first year of life, yet adult levels of recall are not reached until early adolescence. Dual-process models of memory suggest that the distinct retrieval process that supports the recall of such contextual information is recollection. In the present…

Young children use and comprehend different kinds of speech acts from the beginning of their communicative development. But it is not clear how they understand the conventional and normative structure of such speech acts. In particular, imperative speech acts have a world-to-word direction of fit, such that their fulfillment means that the world…

Two experiments compared how French vs. English adults and children (three to seven years) described motion events. Given typological properties (Talmy, 2000) and previous results (Choi & Bowerman, 1991; Hickmann, 2003; Slobin, 2003), the main prediction was that Manner should be more salient and therefore more frequently combined with Path (MP)…

This study examined children's tendency to confuse events that varied in source similarity, which was manipulated using different media of event presentation. In Experiment 1, children in two age groups (3- and 4-year-olds and 5- and 6-year-olds) experienced a live presentation of an event, and another event was either heard from a story (low…

Researchers studied components of a two-year school-wide Striving Readers intervention aimed at bolstering middle school teachers' use of literacy strategies to raise students' reading achievement. Although students of intervention teachers had significantly higher Iowa Test of Basic Skills (ITBS) scores than students of non-participating…

Parents of 592 children between the age of 0 ; 8 and 1 ; 4 completed the Estonian adaptation of the MacArthur-Bates Communicative Development Inventory (ECDI Infant Form). The relationships between comprehension and production of different categories of words and gestures were examined. According to the results of regression modelling the…

Three experiments examined developmental changes in the automatic processing of numerosity and perceptual information using a nonsymbolic numerical Stroop paradigm. In Experiments 1 and 2 (E1 and E2), 4-, 5-, and 6-year-olds had to compare the numerosities or the total filled areas of collections of dots (E1) or bars (E2) varying along both…