Answer:
Random assignment.
Explanation:
Random assignment (also known as random allocation, or randomization), in psychology experiments, is randomly selecting participants or units by the use of chance procedures so that each participant or unit has the same chance (equal likelihood) of being assigned to any particular control or treatment group.
I think this may be false, I know at my old school we did a reach and stretch type flexibility test
Answer: Most likely A, or B.
I would say false, I've never heard of this, but then again I'm not 100% sure