A Group of Experimenters Want to Test the Effectiveness of a Well-Known

question 29

Multiple Choice

A group of experimenters want to test the effectiveness of a well-known and expensive brand of pain medication against the effectiveness of a lesser-known and cheaper brand.To prevent any expectations about brand effectiveness from influencing their experimental test,the researchers are likely to make use of

• A) random sampling.
• B) replication.
• C) operational definitions.
• D) the double-blind procedure.

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Definitions:

For Statement

A control flow statement in programming used for iterating over a range, array, or collection.

Multi-way If-else

A control flow statement that allows for multiple paths of execution based on the evaluation of several conditions.

Algorithm

A finite sequence of well-defined instructions, typically to solve a class of problems or perform a computation.

Boolean Equation

A Boolean equation is an algebraic expression that represents logical operations, composed of Boolean variables and logical operators, yielding true or false outcomes.