Complex sentence: A study, conducted in the United States, suggests that significant differences are apparent, and self-disclosure had a pan-cultural effect on attributional confidence but the other types of uncertainty reduction strategies appeared to be more culture-specific.
Split into simpler sentences: A study, conducted in the United States, suggests that significant differences are apparent. Self-disclosure has a pan-cultural effect on attributional confidence but other types of uncertainty reduction strategies appeared to be more culture-specific.