Postdoctoral Fellow Walter Waters Used Nonrandom Sampling in His Study

question 13

Multiple Choice

Postdoctoral fellow Walter Waters used nonrandom sampling in his study of successful scientists.He knew most got excellent grades in high school and university,excelled in mathematics,and had a strong interest in science from a very young age.For his study,he was interested in sampling those who were successful as adult scientists but did poorly in high school,did average or worse in math classes,and showed little interest and aptitude in science until they reached university.What type of sampling was he using?

• A)Snowball
• B)Theoretical
• C)Sequential
• D)Deviant case
• E)Quota

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Definitions:

Obturator Externus

A muscle situated on the outer surface of the pelvic bone which acts to rotate the thigh laterally.

Piriformis

A muscle in the gluteal region of the lower limb, involved in the rotation of the thigh and known for its relation to the sciatic nerve.

Inversion

A movement that tilts the sole of the foot towards the midline of the body, opposite to eversion.

Tibialis Anterior

A muscle in the anterior compartment of the leg responsible for dorsiflexion and inversion of the foot.