2.11 Optional: Evaluating reports

This question is optional; for example, 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.

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

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

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?