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Psychology: Topic 6 - Research Methods > Extraneous Variables > Flashcards

Extraneous Variables Flashcards

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1
Q

What are the types of extraneous variables?

A
  1. Situational variable

2. Ppt variable

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2
Q

What is a situational variable?

A
  1. Environmental conditions that can influence ppt performance
  2. Affects validity & accuracy of findings
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3
Q

What 3 things can situational variables cause?

A
  1. Order effects
    - ppt performance may in/decrease if they have to repeat a test
  2. Investigator effects
    - researchers unintentionally giving clues on how to behave
  3. Demand characteristics
    - changing behaviour to meet perceived aims of study
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4
Q

What is a ppt variable?

A
  1. Ppt characteristics that may influence performance
  2. Affects :
    • generalisability
    • reliability
    • accuracy
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5
Q

Give some examples of ppt variables.

A
  1. Age
  2. Intelligence
  3. Mood
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Psychology: Topic 6 - Research Methods (15 decks)

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