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One-shot case study Definition

Pre-experimental design with no control group and an after measurement only.

A one-shot case study is a research method where a single group or instance is observed after an intervention or event, without any pretest or control group. The focus is on measuring the outcome or effect of the intervention in a specific context.

Who relies on one-shot case studies in the marketing research and insights industry?    

Market researchers, product developers, advertisers and companies launching new products or campaigns rely on one-shot case studies to evaluate the immediate impact of a single event, intervention or change in a specific setting.

What are key aspects of one-shot case studies in market research?         

Key aspects include:

• Single observation: Focuses on outcomes after an intervention or event.
• No pre-test: Lacks a baseline for comparison before the intervention.
• No control group: Observes only one group, without comparing to others.
• Exploratory purpose: Used for quick insights rather than rigorous scientific validation.
• Limited internal validity: Susceptible to confounding factors influencing results.

Why are one-shot case studies important in market research?  

One-shot case studies are important because they provide quick, cost-effective insights into the outcomes of an intervention or event. While limited in rigor, they are valuable for exploratory research or when testing the feasibility or immediate impact of a change.

How do market researchers use one-shot case studies? 

Market researchers use one-shot case studies to assess the results of a marketing campaign, product launch or promotional event. They analyze the observed outcomes, such as sales performance or customer engagement to determine the intervention's effectiveness. The findings can guide adjustments, highlight potential challenges and inform broader research strategies or subsequent studies.