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Questionnaires
and Experiments
It is important to be able to design
simple questionnaires for the GCSE examination
Key properties
·
Keep questions simple and to the point
·
Avoid leading questions such as “do you agree…”
·
Avoid emotive language which might sway peoples’ opinions
·
Always provide clear response boxes so that the information the
recipient gives is useful
Examples of good questions
1) Rate your teacher from
1 to 5 by ticking the relevant box below, the higher the number the better
1 
2 
3 
4 
5 





2) How many days do you
watch TV a week
1 
2 
3 
4 
5 
6 
7 







Poor questions
Poor Question 
Reason 
Do you like your
teacher? 
It is not obvious
which teacher the question is referring to 
How good is school? 
There are no
tick/response boxes 
Do you agree that
killing innocent animals is wrong? 
This question is both
leading and emotive (due to word innocent) 
DATA
Handling Cycle
· Collect data to
investigate an hypothesis
· Work out an appropriate
average to see whether the hypothesis is true
· Compare the averages
and make a conclusion
Example – Jack thinks boys are better
than girls at maths however he thinks girls are more consistent
·
He could collect test scores from Mathematics
·
He could work out the mean score for both boys and girls in
Maths. He could also work out the range
·
If the boys mean is bigger than he will deduce that boys are
better. He would expect the girls to have a smaller range if they are more
consistent