In his research, Professor Rubin seeks to identify circumstances in a person's bias that are especially likely to impede effective problem solving. His research is most likely in the area of:.

cognition

Explanation:

Based on the information provided within the question it can be said that the professor's research is most likely in the area of cognition. This area focuses on the mental processes of an individual when acquiring knowledge and understanding through the aspects of thought, experience and even the five senses of the body. Any bias that prevents acquiring knowledge or understanding would also affect the individuals problem solving skills as in this scenario.

1. state-issued photo ids. provide them for free for those who can't afford them.

2. the system we have seems to be working nearly perfectly. seems like about 31 cases per billion votes cast

3. the national policy for hiring new employees which requires proof of eligibility to work. there are something like 20 types of identification which can be used for this.

i do believe that the correct answer is   (technical reasoning); luck

explanation: