!会話インタラクションの文化パラメータ !Cultural parameters in conversational interactions *Yasuhiro Katagiri (Future University Hakodate, Japan) Abstract: People with different cultural backgrounds have different styles in their practice in conversational interactions. A comparative examination of Japanese, English and Arabic dialogues in Mister O corpus, cross-linguistic data collected under a common task setting is presented. A parametric conception for capturing their differences is then proposed as an intermediate level theory connecting the general human cognitive capacities and the historical idiosyncrasies in interactions.