Unit 3.3b Flashcards

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1
Q

What’s a control?

A

Experiment set up to show that any effects are the results of the treatment

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2
Q

What’s a controlled variable?

A

Variables that may influence the dependent variable should remain constant throughout the experiment

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3
Q

What’s sample size?

A

Large enough to allow a valid conclusion that the independent variable did have an effect on the dependent variable

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4
Q

What’s repetition?

A

Carrying out the experiment again at a different time with new ingredients to determine reliability

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5
Q

What’s selection bias?

A

Where individuals, groups or data are not selected randomly, therefore failing to provide a representative sample

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