
In your exam you will need to show that you can evaluate sources for their usefulness. This exercise will look specifically at sources that are biased or influenced in some way.
Look at this typical exam question about sources.
How useful is Source A for finding out about farming in the USSR in the 1930s?

Soviet government photograph of 1933 showing tractors on a collective farm
Start by looking closely at the photograph. Write down as many details about it, however small or obvious, you can always eliminate them later.
Also the subject of the source might appear to be obvious, but don't be content with just a glance.
Can you say three things about the photograph?
You could say:
Are there any other points you could make?
Remember that your answer must relate directly to the question given on the exam paper, in this case, how useful is the photograph.