Exam practise:
1) Identify two differences between laboratory and field experiments. (2 marks)
2) Briefly explain one similarity between laboratory and field experiments. (2 marks)
Dave, a middle-aged male researcher, approached an adult in a busy street. He asked the adult for
directions to the train station. He repeated this with 29 other adults. Each of the 30 adults was then
approached by a second researcher, called Sam, who showed each of them 10 photographs of
different middle-aged men, including a photograph of Dave. Sam asked the 30 adults to choose the
photograph of the person who had asked them for directions to the train station. Sam estimated
the age of each of the 30 adults and recorded whether each one had correctly chosen the
photograph of Dave.
3a) Identify one aim of this experiment. (2)
3b) Suggest one reason why the researchers decided to use a field experiment rather thana
laboratory experiment. (2)
1) Identify two differences between laboratory and field experiments. (2 marks)
2) Briefly explain one similarity between laboratory and field experiments. (2 marks)
Dave, a middle-aged male researcher, approached an adult in a busy street. He asked the adult for
directions to the train station. He repeated this with 29 other adults. Each of the 30 adults was then
approached by a second researcher, called Sam, who showed each of them 10 photographs of
different middle-aged men, including a photograph of Dave. Sam asked the 30 adults to choose the
photograph of the person who had asked them for directions to the train station. Sam estimated
the age of each of the 30 adults and recorded whether each one had correctly chosen the
photograph of Dave.
3a) Identify one aim of this experiment. (2)
3b) Suggest one reason why the researchers decided to use a field experiment rather thana
laboratory experiment. (2)
