---
url: "https://questionstar.com/principles-of-survey-research/chapter-1/slide-014.html"
title: "Market Research by Data Source"
type: "lehrbuch-slide"
chapter: 1
chapterTitle: "Introduction"
slide: 14
---

# Market Research by Data Source

*By Data Source*

Data source Primary

- Generating data that **do not yet exist** . These data are analyzed and may, where applicable, be published by the researcher.

Typical methods Surveys, interviews, observation, experiments, …

Data source Secondary

- Using data collected at **an earlier point in time** for the intended research purpose.

Typical methods Literature research: library, web, database, archive

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*Slide 14 of 274 · Chapter 1: Introduction · Principles of Survey Research · Dr. Paul Marx*