---
url: "https://questionstar.com/principles-of-survey-research/chapter-7/slide-266.html"
title: "Two rules you won't forget"
type: "lehrbuch-slide"
chapter: 7
chapterTitle: "Reporting Results"
slide: 266
---

# Two rules you won't forget

*Suitable for simple relative frequencies — not for time series or relationships between multiple variables.*

Pie Chart

max. 7 segments

Suitable for simple relative frequencies — **not** for time series or relationships between multiple variables.

Caution

No 3D charts

3D **distorts relative magnitudes** and confuses the audience. Programs offer many 3D options — hardly any presents data clearly and without distortion.

*[Diagramm: Two rules you won't forget]*

---

*Slide 266 of 274 · Chapter 7: Reporting Results · Principles of Survey Research · Dr. Paul Marx*