Final answer:
Educational qualifications do not constitute potentially disqualifying information (PDI) as they are relevant to the job requirements and an applicant's ability to perform the duties of the position.
Step-by-step explanation:
The answer to this question is option C, educational qualifications. Educational qualifications do not constitute potentially disqualifying information (PDI) as they are relevant to the job requirements and an applicant's ability to perform the duties of the position. On the other hand, options A, B, and D (social security number, criminal history, and employment history) can be potentially disqualifying information as they may have an impact on an applicant's suitability for the role.