Experimental Design and Variables Flashcard

Flashcard
•
Mathematics
•
11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a confounding variable?
Back
A confounding variable is an external factor that can affect the outcome of an experiment, potentially distorting the results.
2.
FLASHCARD QUESTION
Front
What is the purpose of a control group in an experiment?
Back
The control group serves as a baseline to compare the effects of the treatment group, helping to isolate the effect of the independent variable.
3.
FLASHCARD QUESTION
Front
What does blinding mean in experimental design?
Back
Blinding is a technique used to prevent bias by keeping participants or researchers unaware of which group participants belong to (treatment or control).
4.
FLASHCARD QUESTION
Front
What is a randomized block design?
Back
A randomized block design is an experimental design that divides subjects into blocks based on a certain characteristic to reduce variability and clarify differences.
5.
FLASHCARD QUESTION
Front
What is the placebo effect?
Back
The placebo effect is a phenomenon where participants experience improvements in their condition simply because they believe they are receiving treatment, even if it is inactive.
6.
FLASHCARD QUESTION
Front
Why is it important to control variables in an experiment?
Back
Controlling variables is crucial to ensure that the results are due to the independent variable and not influenced by other factors.
7.
FLASHCARD QUESTION
Front
What is an independent variable?
Back
The independent variable is the factor that is manipulated or changed in an experiment to observe its effect on the dependent variable.
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