Operations Supervisor applicants have rated the interview process at Abbott with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 63.1% positive. This is according to Glassdoor user ratings.
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Overall, I'd encapsulate the process as thorough and long as a multitude of candidates were in the mix. Intra-departmental interviewers made sense, however it seemed to many outside departments played a hand.