Multiple Choice
Sample-selection bias occurs when
A) the researcher selects a bad sample.
B) the sample contains an independent variable that is correlated with the error term.
C) individuals randomly select the sample to which they belong.
D) individuals non-randomly select themselves into a given outcome of the dependent variable.
Correct Answer:

Verified
Correct Answer:
Verified
Q9: Quasi-experimental methods attempt to<br>A)control for sample-selection bias.<br>B)estimate
Q10: What is sample-selection bias? Why does it
Q11: The first-stage in the Heckman selection correction
Q12: In which of the following cases would
Q13: You can control for sample-selection bias by
Q15: What is quantile regression? When might it
Q16: When performing difference-in-difference estimation,the treatment group is
Q17: Suppose you are interested in explaining
Q18: Sample-selection bias presents a problem because it<br>A)results
Q19: In which of the following cases would