Have you tried to imagine what experiment you’d do?
Which degrades more will depend on what type of new ideas the experimenter is asking you to generate under what type of pressure. It would also depend on how the experimentalist is distinguishing between “formulating new ideas,” and “checking ideas you currently have.”
In other words, I feel your question is not concrete enough to even begin trying to answer.
Have you tried to imagine what experiment you’d do?
Which degrades more will depend on what type of new ideas the experimenter is asking you to generate under what type of pressure. It would also depend on how the experimentalist is distinguishing between “formulating new ideas,” and “checking ideas you currently have.”
In other words, I feel your question is not concrete enough to even begin trying to answer.