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AS OCR Research Methods Exam tomorrow

Hey, does anyone have any tips on how i can can those full 10 marks on the evaluation questions?
And on the questions where it asks you to give problems with how some data was collected, what do i do?

eg.
A researcher has conducted a correlational study to investigate the relationship between the number of hours of television watched by pupils per night and their performance at school. He asked the pupils to keep a diary of the hours of television they watched each day for two weeks. They also recorded the test score achieved by each pupil on each day of the second week.

Suggest one problem with the way hours of television data have been gathered.
I think the answer might have something to do with social desirability or demand characteristic because they could be lying? but i'm not sure :/

Any help would be great
Thankyou :smile: x
(edited 13 years ago)

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