Over the past month we have covered many important aspects of Task 1 IELTS writing and today I want to discuss a complication that can occur with the trends that can occur.
Look at the graph shown here that covers the period from 1990 to 2010 and shows the percentage of people using various forms of transport in the past month (note: people often used more than one mode of transport). THIS IS NOT A REAL QUESTION! It has so many bars in order to show the trends very clearly.
As in an example we looked at recently, the trends have some variation but the general trends are very clear.
“The percentage of people who travelled by bus fell significantly over the period shown while the proportion of people making a journey by car increased very dramatically.”
This should be getting quite simple now. BUT … what about train travel?
Train travel decreased overall if you compare the percentage of people who travelled by train in 1990 to the proportion who travelled in 2010, but the story is actually more complicated than this and the size of the fall (around 40%, in relative terms, is too big to ignore). A more detailed response might say:
“In addition, the data also shows that the popularity of train travel fell in the first half of the period and then began to increase although it did not reach the same level that it had in 1990.”
The candidate must make the decision about whether the size of the dip is big enough to worry about and this will depend on the data given in the question.
Look at the more realistic example in the second bar graph which also shows the percentage of people using various forms of transport in the past month (note: people often used more than one mode of transport).
The trends for Bus and Car transport are very clear, the problem areas are the trends for train and bicycle use. The very big picture in both cases is that the proportion of people using these methods fell overall BUT the dip in train travel for 2000 is too significant to simply ignore. In the case of bicycle use the slight rise in the final year is not so significant and it could be ignored in giving a very brief picture of what happened.
One way to write the big picture view here might be:
“The percentage of people who travelled by bus and bicycle fell significantly over the period shown while the proportion of people making a journey by car increased very dramatically. In addition, the proportion of people travelling by train fell initially and then rose, although it did not reach the level it had at the start.”
Candidates must look at the data when this sort of thing occurs and decide if the irregularity is big enough to talk about, as in the case of Train travel, or if it is small enough to ignore, as in the case of Bicycle travel.
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