Answer:
The major funder of a study is not allowed to be part of the research process because it is considered a conflict of interest.
Explanation:
The option selected has nothing do with reliable, it is just a case research ethics not to get the funder involved, the funder being involved or not does not in anyway affect the reliability of the research results.
The other options dwell on the concept of reliability. The more the result of a study is repeated, the more reliable that result becomes.
