Research Methods

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1. This is the extent to which we can be sure that our results hold true once we are outside the experimental situation

  • Content validity
  • Internal validity
  • External validity
  • Concurrent validity
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2. This is the middle value in a set of scores when they are placed in rank order

  • numerical
  • median
  • mean
  • mode

3. Two or more quantities (measures) that vary with each other

  • objects
  • co-variables
  • variables
  • measurements

4. This involves advertising for volunteers. Most people do not volunteer to take part in studies unless we actually approach and ask them. This therefore guarantees a unrepresentative sample

  • systematic sampling
  • self-selecting (volunteer) sampling
  • opportunity samplying

5. real consent is freely given from participants who fully understands what they are agreeing to

  • consent
  • confidentiality
  • protection from harm
  • right to withdraw


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