Which type of bias has Heckman made significant contributions to?
Selection bias and self-selection
Gender bias
Cognitive bias
Confirmation bias
Answer
Selection bias and self-selection are types of bias that can occur in statistical studies. Selection bias occurs when the sample of data that is used to draw conclusions is not representative of the population as a whole. Self-selection bias occurs when the participants in a study are not randomly selected, but rather choose to participate themselves. James Heckman has made significant contributions to the study of selection bias and self-selection.
The Heckman Hustle: Unraveling the World of James Heckman
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