Expedient
I should think procuring is the word.
It means producing something.
The word dry is the clue word that is descriptive of producing an effect.
The word electrical means "operating by or producing electricity".
not producing any significant or desired effect.
"Ineffective" means not producing any significant or desired effect.
Osteoblast
no
Effect
The root of the word efficacy is "efficac-" which comes from the Latin word "efficāx" meaning "effective" or "capable of producing a desired effect."
The word you are looking for is "psychological."
The word is "impact." It means to have a strong effect on someone or something.