Which of the following situations does not necessarily lead to bias and unfairness to certain groups in selection?

• A. An employer applies a requirement for applicants which a larger proportion of one ethnic group finds considerable harder to comply with
• B. A psychometric test produces different test scores for different subgroups of candidates
• C. Subgroup differences in test scores are used to select characteristics that are not directly related to job performance
• D. A validity study is based on only one subgroup but then used to select members of another