Subjects: Psychology >> History of Psychology submitted time 2024-03-27
Abstract： Cultural evolution is often compared to biological evolution. One subset of cultural evolution that has received widespread attention from researchers is Cumulative Cultural Evolution (CCE). CCE refers to the adaptive changes in complexity, functionality, etc., that occur in cultures as they are modified and passed from generation to generation. Although cumulative cultural evolution is an interdisciplinary concept, it has a strong psychological underpinning. Psychological factors have played an important role in the development of its conceptual framework and schools of interpretation, and have contributed to the expansion of core criteria and the integration of the two schools of interpretation. Future research can further clarify the definitional criteria of CCE from the perspective of theoretical development, explore the process and details of CCE from the perspective of integration of two schools of interpretation, or confirm the impact of psychological factors on CCE from the perspective of psychology, thereby advancing the field of cumulative cultural evolution.
Subjects: Psychology >> Social Psychology submitted time 2023-03-28 Cooperative journals: 《心理科学进展》
Abstract： Cultural change has gradually become the focus of psychologists’ attention, and related studies have addressed core issues such as the content, causes, and mechanisms of cultural change. Cultural evolution, a way of studying cultural change from an evolutionary perspective, explores the issue of the mechanism of cultural change. Cumulative Cultural Evolution (CCE) is a subset of cultural evolution. It refers to the adaptive changes in efficiency, function, and complexity of human culture over time through multiple social transmissions and innovation among individuals or groups. CCE plays a vital role in understanding the mechanisms of the emergence of human cultural uniqueness and sociocultural change.Throughout the research in this area, single-subject experiments, “microsocieties” designs, and computer simulations have often been used to explore the underlying mechanisms. Based on the evidence from these three types of laboratory studies, it is possible to sort out the mechanisms of occurrence and influence of CCE. In terms of the mechanisms by which CCE occurs, the transmission and modification of cultural information are the two core processes of CCE. Numerous empirical studies have found that copying and teaching ensure high-fidelity transmission of cultural information. Copying includes both results-oriented and action-oriented copying, and teaching can be defined as the act of facilitating the learning of others. These two are considered two representative social learning mechanisms in information transmission. The modification of cultural information is reflected in innovation. Empirical evidence shows that innovation can make modified cultural information more adaptive. The high-fidelity transmission prepares the ground for cultural innovation, and culture achieves sequential improvement through repeated cycles of high-fidelity transmission and modification, promoting the cumulative development of culture. Thus, copying, teaching, and innovation are three crucial foundations for CCE.In addition, CCE is a complex dynamic process in which behavior and environment interact. In this process, various factors influence information transmission and modification that originate from the environment where the information is transmitted and from the subject who transmits the information. Therefore, the influence mechanism of CCE can be understood in terms of environmental and subjective factors. The former mainly involves task difficulty, environmental uncertainty, group size, and social interaction; the latter mainly involves technical reasoning, cognitive flexibility, innovation ability, and social identity. The generalization of these factors can help explain the boundary conditions under which CCE occurs and, in particular, clarify inconsistent findings that have emerged from previous studies. Overall, these factors affect how information is processed in the transmission process, such as identification, collection, and use, which affects the rate of cultural accumulation and the probability of innovation.CCE explains the uniqueness of human culture from the perspective of accumulated modifications of culture over time, while laboratory studies in this field specifically describe how cultural information is transmitted from person to person to produce change. Future research can advance the field in terms of research methods, research areas, and research mechanisms. Specifically, first, the new paradigm (single subject multi-task design) is proposed considering the operationalization of task characteristics, and the feasibility of this new paradigm needs more empirical evidence to verify. Second, the current research on CCE has accumulated rich empirical evidence in the technical domain, and future research can consider conducting more laboratory studies in non-technical domains. Finally, the upward transmission of cultural information has been neglected in previous studies of CCE. Future research could consider exploring the value and significance of this process in CCE in the context of the current phenomenon of “cultural feedback” in China.
Subjects: Psychology >> Social Psychology submitted time 2022-12-16
Abstract：
Cumulative Cultural Evolution (CCE) refers to the adaptive changes in efficiency, function, and complexity of human culture over time through multiple social transmissions and innovation among individuals or groups. A large number of studies have been conducted to explore the underlying mechanism of CCE in the laboratory through single-subject experiments, “microcultures” or “microsocieties” designs, and computer simulations. Copying, teaching, and innovation are three important foundations for CCE. Copying and teaching ensure that cultural information is transmitted with high fidelity. Innovation makes modified cultural information more adaptable. Cultural information is gradually accumulated in the repeated high-fidelity transmission and modification cycle. In general, the boundary conditions of CCE can be summarized into two aspects: environmental factors and subjective factors. The former mainly involves task difficulty, environmental uncertainty, group size, and social interaction; the latter mainly involves technical reasoning, cognitive flexibility, innovation ability, and social identity. Future research can verify the feasibility of the new paradigm (single subject multi-task design), conduct laboratory research on non-technological cultural evolution, and explore the value and significance of upward transmissions of cultural information in CCE in the context of the current phenomenon of “cultural feedback” in China.
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