1.5 Flashcards

1
Q

What is a variable?

A

What you observe or change/change in an experiment.

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2
Q

What do you observe or change in an experiment?

A

A variable

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3
Q

What is an independent variable?

A

A variable that gets changed so you can see if/how it affects the dependent variable.

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4
Q

What kind of variable is the one you change in order to see if it causes something to change?

A

An independent variable.

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5
Q

What is a dependent variable?

A

The variable that is affected by the independent variable.

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6
Q

What variable is affected by the independent variable?

A

Dependent variable.

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7
Q

What qualities should a good hypothesis have?

A

Specific, testable, explanatory, and can be used to make predictions

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8
Q

What needs to be specific, testable, explanatory, and able to be used to make predictions?

A

A hypothesis.

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9
Q

Why is it important to have only 1 independent variable?

A

So you know what causes a change.

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10
Q

You know what specifically causes a change in results during an experiment because__

A

you only have 1 independent variable

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11
Q

What is the importance of a control group?

A

it sets the basis for all data discovered from the experiment.

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12
Q

What is the difference between the control group and the actual experiment?

A

The independent variable is changed in the experiment.

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13
Q

What is a control group?

A

A standard from which you compare experiment results.

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14
Q

What is the standard from which you compare experiment reults?

A

A control group.

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15
Q

What axis is the independent variable?

A

The x axis

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16
Q

What variable is on the x axis?

A

The independent variable.

17
Q

What axis is the dependent variable on?

A

The y axis.

18
Q

What variable is on the y axis?

A

The dependent variable.

19
Q

What is standard deviation?

A

The statistic that increases the spread or range of a data group

20
Q

What increases the spread/range of a data group?

A

Standard deviation

21
Q

wider spread =

A

larger standard deviation

22
Q

overlap =

A

no significant difference

23
Q

some overlap =

A

some difference

24
Q

no overlap=

A

significant difference