Understanding Experimental Design

What is a characteristic of a good experiment regarding sample size?

• A small sample size

• A large sample size

• No sample size

• A variable sample size

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What is the role of a control group in an experiment?

• To introduce new variables

• To remain constant and not exposed to the independent variable

• To change the independent variable

• To increase the sample size

Tags

NGSS.MS-PS1-2

Which type of graph is appropriate for comparing different groups or locations?

• Line graph

• Bar graph

• Pie chart

• Histogram

What is an independent variable in an experiment?

• The variable that is kept constant

• The variable that is manipulated

• The variable that is measured

• The variable that is ignored

Tags

NGSS.MS-PS3-4

What is a common flaw in experimental design related to sample size?

• Having a large sample size

• Having a small sample size

• Having a consistent sample size

• Having a variable sample size

Tags

CCSS.HSS.IC.B.3

What is the purpose of a control group in an experiment?

• To expose it to the independent variable

• To ensure results are based on the independent variable

• To change the dependent variable

• To introduce extraneous variables

Which of the following is an example of a constant in an experiment?

• The independent variable

• The dependent variable

• The manipulated variable

• The controlled variable

Tags

NGSS.MS-PS2-2

What does the acronym DRY MIX help you remember in graphing?

• Types of variables

• Graphing procedures

• Plotting techniques

• Experimental groups

In the acronym DRY MIX, what does the "D" stand for?

• Dependent variable

• Data point

• Diagram

• Description

What is a key criterion for labeling a graph on an exam?

• Use of colors

• Clear labeling with appropriate units

• Artistic design

• Complexity of the graph

Tags

CCSS.2.MD.D.10