The most scientifically valid research is :
Experimental Research
Option 1 — Experimental Research is correct.
Experimental research is regarded as the most scientifically valid because it is designed to capture cause-and-effect relationships. The researcher manipulates one or more independent variables, controls or holds constant other extraneous factors, and matches groups so that any observed difference in the dependent variable can be attributed to the treatment. This control over variables gives experiments the highest internal validity of the marketing-research methods.
Why the other options are wrong:
| Method | Limitation |
|---|---|
| Observation Research | Watches behaviour as it happens but cannot establish why it occurs — no variable control. |
| Focus-Group Research | Exploratory and qualitative; small, non-representative groups yield insights, not proof. |
| Survey Research | Good for descriptive facts and opinions, but correlational — it cannot prove causation. |
Because only the experiment isolates cause and effect through controlled manipulation, it is the most scientifically valid form of research.
Takeaway: experimental research, by controlling variables to test cause and effect, is the most scientifically valid method.
Similar Questions
Consider the following statements :
(a) Brand equity is essentially the same as brand valuation.
(b) Market segmentation and product differentiation are alternative marketing strategies.
(c) Durable goods normally require less personal selling, after sales service and seller guarantees, than the non-durable goods.
(d) Price discrimination in all forms is illegal in India.
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The most common form of organizing the marketing department is based on
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