This is the 4105th most frequent Polish word.
badaniami
"Badaniami" means "research" or "studies" (instrumental plural form).
Here, 'badaniami' refers to scientific or systematic research used as a method or tool to confirm a theory.
Badaniami potwierdzono tezę naukową.
The scientific thesis was confirmed by the research.
'Badaniami' here denotes research as an academic activity or field of study focusing on a specific subject.
Zajmuję się badaniami nad historią średniowiecza.
I am engaged in research on the history of the Middle Ages.
In this case, 'badaniami' refers to the conducted studies or analyses which produced notable findings.