Marketing Research and Insight Glossary

Definitions, common uses and explanations of 1,500+ key market research terms and phrases.

What is experimental design?

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Experimental Design Definition

A test in which the researcher has control over one or more independent variables and manipulates them.

Experimental design is a test in which a researcher controls one or more independent variables by manipulating them. In marketing research, this is the systematic process of planning and organizing experiments to study the impact of marketing variables or strategies on consumer behavior, preferences or attitudes. This process involves crafting experiments with controlled conditions to establish causal relationships between independent variables and dependent variables. In this case, independent variables can be various marketing tactics and dependent variables can be consumer responses. The intent is to isolate and measure the impacts of specific factors. Reliable and actionable insights are generated through experimental design. That knowledge can lead to the establishment of cause-and-effect relationships between marketing variables, thus creating a better understanding of how marketing strategies can impact consumer behavior. Not following proper experimental design can lead to misguided insights and decisions. 

Who relies on experimental design?

Marketing professionals, product managers, advertisers and researchers follow the methods of experimental design to enhance marketing efforts and make data-driven decisions. What’s more, academic researchers and marketing consultants use the process to better understand consumer behavior and to influence marketing strategies. 

Why should I care about experimental design?

Following the methodology of experimental design helps researchers and marketing professionals to determine the true influences and impact of marketing strategies, as well as identify the factors that drive consumer engagement, sales or brand perception. Embracing experimental design principles can minimize bias, control for outside variables and produce results that reflect the true impact of marketing initiatives.