Research methods

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Author:
toricazaly
ID:
235846
Filename:
Research methods
Updated:
2013-09-19 17:46:30
Tags:
A2
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Description:
A2 with some AS in
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  1. Null hypothesis:
    States there is no difference between conditions (e.g. Gender does not effect driving ability).
  2. —Alternative hypothesis:
    states there is a difference between conditions (e.g. Gender does effect driving ability).
  3. —Type 1 error:
    if we reject the null in favour of the alternative even though the findings are actually due to chance.
  4. —Type 2 error:
    We might retain the null hypothesis even though the alternative is actually correct.
  5. A statistical test:
    • Various formulae that enable researchers
    • To analyse and compare the data produced in their studies. A statistical test produces a statistic that can be assessed, using tables of significance to see if the data fit (or do not fit) the hypothesis.
  6. Testing data
  7. Level of significance
    is not given assume 0.05. they may ask you to work to a different level of significance.

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