Over the last five semesters, dr. thompson's research class has repeatedly asked the same question on a particular project. each semester the question produces similar answers. this exemplifies which concept?

I believe the answer is: Reliability

The concept of reliability refers to the type of situation where researchers typically obtain a certain conclusion and this conclusion would be applicable to other population that have different characteristic. Concluding researchers wiithout proofing their reliability would make the result seen as luck/ and non-usable work result.

b) the bill goes to the president.

hope this