An international team of researchers, led by Annemarie Verkerk from Saarland University and Russell D. Gray from the Max Planck Institute for Evolutionary Anthropology, has conducted an extensive analysis of language universals using Grambank, the largest grammatical feature database. Their study encompassed over 1,700 languages.
Previous linguistic studies often aimed to minimize similarities between closely related languages by selecting samples from distant regions. While this method was beneficial, it did not entirely eliminate hidden connections and could weaken statistical results, failing to illustrate how languages evolve over time.
To overcome these limitations, the researchers employed Bayesian spatio-phylogenetic analyses, which consider both shared ancestry and geographical influences. This innovative approach provides a significantly higher level of statistical rigor compared to many earlier studies.
Language Evolution Is Not Random
"Amidst vast linguistic diversity, it's fascinating to discover that languages do not evolve randomly," Verkerk stated. "I am thrilled that our various analyses converged on similar outcomes, indicating that language change is crucial to understanding universals."
The results reveal strong support for several recurring patterns, including preferences for word order--such as the positioning of verbs relative to objects--and hierarchical structures that define grammatical relationships within sentences.
Notably, these patterns have emerged consistently across unrelated languages from different regions, suggesting that fundamental constraints guide human language organization.
Common Influences Shape Language Structures
Senior author Russell Gray shared insights on the study's narrative, stating, "We debated whether to frame our findings as a glass-half-empty perspective--highlighting the universals that failed--or as a glass-half-full one, focusing on the robust statistical support for about a third. Ultimately, we chose to emphasize the patterns that recur, demonstrating that shared cognitive and communicative pressures lead languages toward a limited range of preferred grammatical structures."
This research not only identifies which universals withstand rigorous examination but also refines the focus for future inquiries, directing scientists toward the cognitive and communicative forces that shape human language evolution.