psychology research methods

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1. snowball sampling

  • when one participant suggests other participants
  • when many people are chosen at once
  • where everyone has an equal chance
  • where the researcher throws snowballs at the particpants they want
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2. extraneous variable

  • what is chnged to see an affect
  • a variable other than the IV which could affect the DV and therefore needs to be controlled
  • a variable other than the IV which could affect the DV and therefore needs to be controlled
  • the variable the researcher changes

3. what are demand characteristics

  • when articipants demand to know the answer
  • where participants change their behaviour to appear social desireability
  • when participants change their behaviour to suit the needs of the experiment
  • when participants are demanding

4. what is a open question

  • a question that allows participants to answer freely
  • a question that gives quantitative data

5. participants only take part in one condition

  • matched pairs
  • independent measures
  • repeated measures
  • none of the above

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