| 标题 |
The value of longitudinal data for solving the problem of selection bias in evaluating the impact of treatment on outcomes
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| 其它 |
Heckman, J. J., & Robb, R. (1988). The value of longitudinal data for solving the problem of selection bias in evaluating the impact of treatment on outcomes. In G. Duncan & G. Kalton (Eds.), Panel surveys (pp. 512–538). New York: John Wiley |
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