A fixed-ratio schedule of reinforcement is one in which a response is reinforced only after a(n) Group of answer choices unpredictable time period has elapsed. unpredictable number of responses have been made. specified number of responses have been made. specified time period has elapsed.

This would be a example of a "i want to be single person"

Americans often speak of their country as one of several large regions.  these regions are cultural units rather than governmental units --  formed by history and geography and shaped by the economics, literature and folkways that all the parts of a region share. what makes one region different from another? a region's multicultural heritage as well as distinct demographic characteristics like age and occupation make regions different and special. within several regions, language is used differently and there are strong dialects. there are also differences in outlook and attitude based on geography.