Experimental Design Minor Assessment

During an experiment, which group receives the variable that is being tested?

• control group
• experimental group
• positive group

During an experiment, which group does not receive the variable that is being tested?

• control group
• experimental group
• negative group

The detailed, step-by-step directions for an experiment is known as the _______.

• data table
• scientific method
• procedure

A controlled variable is also called a _______ variable and should not change during an experiment.

• independent
• constant
• dependent

How many variables should be tested at one time during an experiment?

• one
• two
• three

When conducting an experiment, it is a good idea to do multiple _______ so that the results are reliable.

• procedures
• controls
• trials

A summary of the experimental results is known as the _______.

• data
• hypothesis
• conclusion

Your teacher wants to test if chewing gum during a test will improve grades. Group A receives gum, and Group B does not receive gum during the exam. Which group is the control group?

• Group A
• Group B
• neither group

Your teacher wants to test if chewing gum during a test will improve grades. Group A receives gum, and Group B does not receive gum during the exam. What is the independent variable?

• number of students
• test scores
• gum

Your teacher wants to test if chewing gum during a test will improve grades. Group A receives gum, and Group B does not receive gum during the exam. What is the dependent variable?

• number of students
• test scores
• gum