Effect is linked to cause by design and analyses that compare observed results with estimates of what might have been observed in the absence of the program.
The relevance of the program can be assessed through analytical means.
There is no viable way or need to measure effect.
A dog with wet feet.
I've met you before.
Four women are working out at the gym.
Come with me.
There are no children.
Three old men feed the birds at the park.