In a study on job satisfaction, employees with lower satisfaction scores are less likely to complete surveys. How would you categorize this missing data?
- MAR
- MCAR
- NMAR
- Not missing data
This would be NMAR (Not Missing at Random) because the missingness depends on the unobserved data itself (i.e., the job satisfaction score). If employees with lower job satisfaction are less likely to complete the survey, the missingness is related to the missing satisfaction scores.
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