Control of Variables (AQA A-Level Psychology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are extraneous variables often called in psychological research?
What are extraneous variables often called in psychological research?
Nuisance variables
What type of variation do extraneous variables create?
What type of variation do extraneous variables create?
Random variation
Why are confounding variables more serious than extraneous variables?
Why are confounding variables more serious than extraneous variables?
They change systematically with the IV
In the energy drink study, what was the confounding variable?
In the energy drink study, what was the confounding variable?
Personality (introversion/extraversion)
What occurs when participants detect cues revealing a study's purpose?
What occurs when participants detect cues revealing a study's purpose?
Demand characteristics
What is the 'please-U effect'?
What is the 'please-U effect'?
Over-performing to please the experimenter
What do investigator effects refer to?
What do investigator effects refer to?
Researcher behaviour influencing outcomes
What is the main purpose of randomisation in psychological research?
What is the main purpose of randomisation in psychological research?
Reduce researcher influence on design
What does standardisation ensure in psychological research?
What does standardisation ensure in psychological research?
All participants experience identical conditions
Who identified the Hawthorne effect in the 1950s?
Who identified the Hawthorne effect in the 1950s?
Henry A. Landsberger