Prior to implementing sampling procedures, a sampling plan should be developed.
Sampling plans should be developed first.
Plans should be written through trial and error testing.
Tuppence remained still as a rock.
The British magazine, Prospect, has declared that sociology is back.
Five people are observing their surroundings.
A woman uses her limbs in her line of work.
The sandy beach has a parasail.
A man is surfboarding.