2.11 Optional: Evaluating reports

This question is optional; e.g., if you need more practice, or you are studying for the exam.

(Answers are available in Sect.A.2)

Many health experts are concerned about the amount of sugary drinks consumed by children. Part of a newspaper report about a study into this issue is shown in Fig. 2.3. Two variables are listed in the extract:

The type of drink (sweetened with sugar, or with sugarless sweeteners); and
Weight gain.

What words could be used to describe these variables?

FIGURE 2.3: From: www.news.com.au, Tuesday 25 September 2012