Yes, we can say that the later development of scientific psychology, particularly in the early 20th century, downplayed the role of Völkerpsychologie or Cultural Psychology in Wilhelm Wundt's thought. This downplaying can be attributed to several factors:
1. **Rise of Behaviorism**: The emergence of behaviorism, particularly in the United States, shifted the focus of psychology toward observable behavior and away from the study of consciousness and cultural factors. Behaviorists, such as John B. Watson and B.F. Skinner, emphasized experimental methods and objective measurements, often disregarding the importance of cultural and social contexts that were central to Wundt’s Völkerpsychologie.
2. **Emphasis on Experimental Methods**: The early development of scientific psychology prioritized experimental methods and the quest for a more "objective" and "scientific" approach. Wundt's experimental psychology was highly influential, but his cultural psychology, which required historical and comparative methods, was seen as less rigorous by the standards of emerging scientific paradigms.
3. **Fragmentation of Psychology**: As psychology developed as a discipline, it became increasingly specialized and fragmented. Different subfields, such as cognitive psychology, developmental psychology, and social psychology, emerged, each with its own methods and focus areas. This specialization often led to a narrowing of focus, with less emphasis on the broad, integrative approach that Wundt's Völkerpsychologie represented.
4. **Language and Accessibility**: Wundt's extensive work in Völkerpsychologie, published in ten volumes, was complex and written in German, which limited its accessibility to many psychologists, especially in the English-speaking world. This may have contributed to its marginalization in the broader development of the field.
5. **Shift Toward Quantification**: The trend toward quantification and the development of statistical methods in psychology favored approaches that could produce quantifiable and replicable results. Völkerpsychologie's reliance on qualitative and historical methods was less aligned with this trend, leading to its diminished role in mainstream scientific psychology.
6. **Modern Revivals**: In more recent decades, there has been a renewed interest in cultural and social dimensions of psychology, influenced by the recognition of the limitations of purely experimental and behaviorist approaches. Fields such as cultural psychology, cross-cultural psychology, and indigenous psychology have sought to reintegrate cultural and social contexts into psychological research, echoing some of the concerns Wundt addressed in his Völkerpsychologie.
In summary, while Wundt's Völkerpsychologie was downplayed in the early development of scientific psychology due to various factors, including the rise of behaviorism and the emphasis on experimental methods, its importance has been reacknowledged in more recent times as psychologists recognize the significance of cultural and social influences on human behavior and mental processes.