Khái niệm phạm trù khả năng và hiện thực? Mối quan hệ biện chứng giữa khả năng và hiện thực? ý nghĩa phương pháp luận? cho ví dụ làm rõ cặp phạm trù này

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

because he had a big bear belly

during the nancy. probs

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.