The variable that stays the same

A control group is...

The group that has no treatment applied to it

I want to know if classical music affects heartrate. Which is the best hypothesis?

If people listen to classical music heartrate decreases. .

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Scientific Method PreTest

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To determine the knowledge base of my students concerning the scientific method.

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Questions 12

Answers

1
A constant is ...
The variable that is changed on purpose
The group in an experiment that is not given a treatment
The variable that stays the same
The variable that is measured
2
The independent variable...
goes on the x axis
is what the experimenter measures
goes on the y axis
3
I want to know if different types of liquid can affect plant growth. What is the control group?
Same type of potting soil
Plants getting regular water
Same type of plants
Plants getting water with plant food
4
I want to see if types of baseball bats would affect batting distance. Identify the DV
Cannot be determined
Distance the ball travels
Different types of bats
5
The dependent variable is the variable that...
stays the same
goes on the x axis of a graph
the experimenter changes
the experimenter measures
6
The dependent variable
goes on the y axis
is what the experimenter changes
goes on the x axis
7
I want to know if sleep time affects aggression. What might the dependent variable be?
Different amounts of sleep
Neither of these is correct
Fouls during a basketball game
8
The independent variable is the variable that:
stays the same
the experimenter manipulates
the experimenter measures
9
A control group is...
The group that the experimenter has control over
The group that has a treatment applied to it
The group that is measured
The group that has no treatment applied to it
10
I want to see if different types of liquids affect the growth of plants. Identify the IV
Different types of liquids
Cannot be determined
The growth of the plants
11
I want to know if classical music affects heartrate. Which is the best hypothesis?
If people listen to classical music heartrate decreases. .
Does classical music affect heart rate?
If you play classical music then heart rate changes.
Classical music affects heart rate
12
I want to know if the amount of coffee beans affects quiz taking time. Identify constants
Both of these are constants
Same coffee maker
Regular amount of coffee beans

Scientific Method PreTest Flashcards | StudBud