Question

Labor economists studying the determinants of women’s earnings discovered a puzzling empirical result. Using randomly selected employed women, they regressed earnings on the women’s number of children and a set of control variables (age, education, occupation, and so forth). They found that women with more children had higher wages, controlling for these other factors. Explain how sample selection might be the cause of this result.

Answer 1

Answer: Sample selection bias

Explanation: Sample selection is a term used to describe the various steps and processes through which a researcher was able to determine and collect his or her samples.

Bias is an inclination towards or a prejudice against one or more parties or factors in an experiment or a Research.

SAMPLE SELECTION BIAS IS ONE OF THE MAIN CAUSES OF POOR OR WRONG OUTCOMES DURING A RESEARCH OR AN EXPERIMENT.