This experiment investigates the effect of cultural adaptation by American business people on their trustworthiness, as perceived by Malaysians. The sample consists of 140 Malaysian professionals in Malaysia, who read one of the four stories that differ in degrees of Americans' cultural adaptation: none, moderate, high using the English language, and high using the native language (i.e., Malay language). The results show that the high adaptation using the native language condition results in higher disconfirmation of stereotypic behavior than does the high adaptation using English and the moderate adaptation conditions, both of which in turn result in higher disconfirmation than does the no adaptation condition. The high adaptation using the native language condition is perceived to be more situationally caused than is the moderate adaptation condition, which in turn is perceived to be more situationally caused than is the no adaptation condition. Despite the support for situational attribution m...