Mike Wants to Know How Many Licks It Takes to Get

Multiple Choice

Mike wants to know how many licks it takes to get to the center of his all-day sucker.He tells his friends that "one full gyration of the tongue around the outer surface of the lollipop" is what constitutes a "lick." In an informal way,Mike is offering a(n) _____ but lacks a reliable _____ to answer the question.

A) measurement instrument;operational definition
B) theory;measurement instrument
C) theory;operational definition
D) operational definition;measurement instrument