die Wirksamkeit
Translation
effectiveness, efficacy, validity
Examples
Die Wirksamkeit des Medikaments wurde getestet.
The effectiveness of the medicine was tested.
Wir zweifeln an der Wirksamkeit dieser Maßnahme.
We doubt the effectiveness of this measure.
Grammar Patterns
the effectiveness of sth. the effectiveness of sth. The effectiveness of the therapy is high.
the effectiveness of sth. (genitive) the effectiveness of sth. The effectiveness of the law is being discussed.
Similar Words
Effektivität, Wirkung; Antonym: Unwirksamkeit
Etymology
From the adjective 'wirksam' (effective), which comes from the verb 'wirken' (to work, to have an effect), plus the noun-forming suffix '-keit' (-ness).
Memory Tips
Think of 'wirken' (to work) + '-keit' (-ness). It literally means the 'work-ness' or effectiveness of something.