Development of approximate number sense across the elementary school years: A cross‐cultural longitudinal study

In recent years, there has been growing interest among researchers in exploring approximate number sense (ANS)—the ability to estimate and discriminate quantities without the use of symbols. Despite the growing number of studies on ANS, there have been no cross‐cultural longitudinal studies to estimate both the development of ANS and the cross‐cultural differences in ANS growth trajectories. In this study, we aimed to estimate the developmental trajectories of ANS from the beginning of formal education to the end of elementary school in two countries, Russia and Kyrgyzstan, which have similar organization of their educational systems but differences in socioeconomic status (SES) and in the results of large‐scale educational assessments. To assess the developmental trajectories of ANS, we used a four‐wave longitudinal study with 416 participants from two countries and applied the mixed effect growth approach and the latent class growth approach. Our analysis revealed that the rate of growth in ANS accuracy was higher for the Russian sample than for the Kyrgyz sample and that this difference remained significant even after controlling for fluid intelligence. We identified two latent classes of growth trajectories: the first class had a significant growth in ANS, whereas the second class had no growth. Comparing the distribution of latent classes within the two countries revealed that there was a significantly larger proportion of schoolchildren from the second class in Kyrgyzstan than in Russia.     

Religiosity and Aging: Age and Cohort Effects and Their Implications for the Future of Religious Values in High‐Income OECD Countries

It has long been noticed that older people tend to be more religious than younger people. However, it is still disputable whether this fact should be attributed to people generally becoming more religious with age per se (age effect), or to the process of secularization, wherein earlier cohorts (to which the now older people belong) used to be more religious than those that appeared later, younger cohorts (cohort effect). We try to distinguish between these two effects using a multifactor model applied to World Values Survey data (1981–2014) and find that at least in the developed countries the age effect strongly prevails over the cohort effect. This finding has important implications, e.g., that population aging in OECD countries can possibly slow down the transition from religious to secular values. This effect is already visible in some countries, such as Japan.     

Disentangling Structural Connectives or Life Without Display Property

Journal of Philosophical Logic - The work is concerned with the so called display property of display logic. The motivation behind it is discussed and challenged. It is shown using one display...     

Age-related differences in reaction time task performance in young children

Performance of reaction time (RT) tasks was investigated in young children and adults to test the hypothesis that age-related differences in processing speed supersede a “global” mechanism and are a function of specific differences in task demands and processing requirements. The sample consisted of 54 4-year-olds, 53 5-year-olds, 59 6-year-olds, and 35 adults from Russia. Using the regression approach pioneered by Brinley and the transformation method proposed by Madden and colleagues and Ridderinkhoff and van der Molen, age-related differences in processing speed differed among RT tasks with varying demands. In particular, RTs differed between children and adults on tasks that required response suppression, discrimination of color or spatial orientation, reversal of contingencies of previously learned stimulus-response rules, and greater stimulus-response complexity. Relative costs of these RT task differences were larger than predicted by the global difference hypothesis except for response suppression. Among young children, age-related differences larger than predicted by the global difference hypothesis were evident when tasks required color or spatial orientation discrimination and stimulus-response rule complexity, but not for response suppression or reversal of stimulus-response contingencies. Process-specific, age-related differences in processing speed that support heterochronicity of brain development during childhood were revealed.     

Enhancement of Creativity: Semantic Priming Through Naming Objects Loosens Functional Fixedness within Idea Generation

Functional fixedness is related to excessive focusing on a specific functional property of an object. We assumed that the naming of other objects which possess the same functional property to a lesser extent than a given object can reduce the excessive focusing on this functional property for this object. It can help to loosen functional fixedness and improve individual creative performance. We tested the effectiveness of this method with 302 participants aged between 17 and 22 (256 female and 46 male). The study consisted of two experiments with 110 and 192 participants, respectively. Prior to performing a creative activity (story writing in Experiment 1 and thinking up unusual uses of a given object in Experiment 2), participants from different groups were asked to name objects which possess the main functional property of the given object to the same extent, to a lesser extent, and to a greater extent, respectively. In both phases of the study, we found a significant effect on the extent of the target property possession on originality. Results showed that participants named objects with the lesser manifestation of a target property outperformed their counterparts from other groups.     

Lifshits and Ilyenkov on the nature of the ideal

This article compares the concepts of the ideal proposed by two prominent Soviet Marxists: the contemplative concept (Lifshits) and that based on the activity approach (Ilyenkov). The former derives the ideal, along with man himself, from nature and the latter derives the ideal from the dialectics of labour which generates man, his feelings and thoughts and the higher forms of cultural being.     

The ethical catastrophe of contemporary Russia and its foresights in Russian thought

This paper examines the changing ethical consciousness in Russia since the Bolshevik revolution of 1917 and discusses how this change was reflected in Russian religious philosophy. This process can be characterized by a series of sudden and violent replacements of contradictory ethical models, which, by disorientating the public consciousness, led to the atrophy of the ethical instinct. The last two models in the series correspond to the “anti-ethics” of the 1990s and the “non-ethics” of the third Millennium. The latter model (“non-ethics”) corresponds to the current absence of individual ethical positions and the willingness to adopt any position prescribed by the state. A review of philosophical reflection on this process shows that Russian religious thought did not foresee such an ethical catastrophe. Indeed, although Vladimir Solovyov presented an alarming eschatological foresight of the future, and despite the fact that the collection Landmarks, written in 1907, firmly identified the intelligentsia as a highly destructive agent promoting their own alternative ethics, the optimistic philosophical model nonetheless prevailed. According to this optimistic model, the period of disasters and catastrophes will be followed by a new spiritual reawakening.