obserwowane

In a sentence

• Obserwowane ptaki były rzadkimi gatunkami.

  The observed birds were rare species.

  Here, 'obserwowane' is used as an adjective describing 'birds', indicating that these birds were being observed.

• Dane obserwowane w eksperymencie potwierdziły hipotezę.

  The data observed in the experiment confirmed the hypothesis.

  In this sentence, 'obserwowane' modifies 'data' and conveys that the data were noted or tracked during the experiment.

• Obserwowane reakcje uczestników były bardzo różnorodne.

  The observed reactions of the participants were very diverse.

  Here, 'obserwowane' describes 'reactions' implying that these reactions were noted or monitored.