Controlling extraneous variables (AQA GCSE Statistics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the role of extraneous variables in research studies?
What is the role of extraneous variables in research studies?
They can distort the study's results
Why control extraneous variables?
Why control extraneous variables?
To ensure valid results
What is an example of an extraneous variable?
What is an example of an extraneous variable?
Participant age
What is a method to reduce experimental noise in data collection?
What is a method to reduce experimental noise in data collection?
Use controlled environments
What is the response variable in a memory test?
What is the response variable in a memory test?
Number of words remembered
Which factor is an extraneous variable in sleep studies affecting results?
Which factor is an extraneous variable in sleep studies affecting results?
Sleep environment
What is a control method for lighting issues?
What is a control method for lighting issues?
Adding proper lighting equipment
What is the role of the explanatory variable in research?
What is the role of the explanatory variable in research?
It is the variable that is manipulated
What is a common extraneous variable in experiments?
What is a common extraneous variable in experiments?
Participant motivation
What is the goal of controlling extraneous variables?
What is the goal of controlling extraneous variables?
To ensure consistent conditions