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				           		统计有效性——样本的范围够不够大?其结果是不是做过大规模的统计分析?
						        					            	 Statistical validity - Is the sample size big enough, and are the results ‘statistically significant’?
								    										 
								    				            	 youdao 
- 
				           		统计有效性——样本的范围够不够大?其结果是不是做过大规模的统计分析?
						        					            	 Statistical validity - Is the sample size big enough, and are the results ‘statistically significant’?
								    										 
								    				            	 youdao