短語詞組短語Selection Bias Issue 問題selection bias model 樣偏誤模型second selection bias 二次選擇偏差self -selection bias 自我選擇偏差;自選擇偏誤;[統(tǒng)計]自選擇偏差;自我選擇偏誤Possible Selection Bias 可能存在選擇偏頗Observational Selection Bias 觀察偏差sample selection bias 樣本選擇性偏差Insurance Selection Bias 保險選擇偏倚 返回 selection bias