Observation Vs Experimental

Compare voter satisfaction levels between people assigned to use either paper ballots or touchscreen machines.

• Experiment
• Observational Study

Tags

CCSS.HSS.IC.B.3

Determine which brands of orange juice people prefer. The people are randomly chosen at the supermarket and are asked to taste both brands without knowing which brand they are drinking.

• Experiment
• Observational Study

Tags

CCSS.HSS.IC.B.3

Determine if people who take vitamin C every day are less likely to get colds.

• Experiment
• Observational Study

Tags

CCSS.HSS.IC.B.3

Compare the grades on a final math test of 25 students who use calculators and 25 students who do not use calculators. The students decide which group they are in.

• Experiment
• Observational Study

Tags

CCSS.HSS.IC.B.3

A teacher asks her students to write down all they eat in a day and then calculate the total number of calories consumed. 

• Experiment
• Observational Study

Tags

CCSS.HSS.IC.B.3

The cafeteria manager of a high school wants to find out if high prices are keeping students from using the cafeteria. Fifty students are chosen at random to receive half-price lunch passes every day for a month. The manager then records the number of passes used. 

• Experiment
• Observational Study

Tags

CCSS.HSS.IC.B.3

Investigate whether students who study in groups perform better on exams than those who study alone.

• Experiment

• Observational Study

Assess the impact of a new teaching method on student engagement by randomly assigning some classes to use the new method and others to continue with the traditional method.

• Experiment

• Observational Study

Determine if there is a correlation between the amount of time spent on social media and levels of anxiety among teenagers.

• Experiment

• Observational Study

Tags

CCSS.HSS.IC.B.3

Investigate whether people who exercise regularly have lower blood pressure compared to those who do not.

• Experiment

• Observational Study