What Is the Most Effective Way to Minimize the Effect

question 4

Multiple Choice

What is the most effective way to minimize the effect of a large number of unknown extraneous variables?

• A)Match the groups by hand.
• B)Randomly assign subjects to treatment and control group.
• C)Use an experimental design.
• D)Place subjects into groups according to the extraneous variables they possess.
• E)Allow subjects to choose the groups to which they want to belong.
• F)Use a large sample.

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Definitions:

Urban Food Deserts

Areas in urban settings lacking access to affordable and nutritious food, often characterized by high concentrations of fast-food restaurants and convenience stores.

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation.

Pesticide-Free

Refers to products, especially agricultural goods, that are grown or produced without the use of chemical pesticides.

Scientific Experimentation

The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions, typically involving controlled conditions to test hypotheses.