Survey vs Observational Study vs Experiment

A teacher asks all her students five questions about their study habits.

• Survey

• Observational Study

• Experiment

A teacher looks at his students tests to see which topics his students are still struggling with.

• Survey

• Observational Study

• Experiment

To determine how to vote on a bill, a senator calls random constituents to ask their opinion.

• Survey

• Observational Study

• Experiment

A news station asked viewers to call in about their opinions about the construction of a new stadium.

• Survey

• Observational Study

• Experiment

Individuals are observed and variables are measured without controlling the individuals or the environment

• population

• observational study

• experiment

• secondary data

In an ________________, a researcher observes and measures characteristics of interest of part of the population but does not change existing conditions.

• Experiment

• Observational Study

Individuals are monitored for measures of variables of interest but not influenced in response.

• Observational Study

• Experiment

• Voluntary Response

• Single-Blind

A teacher has been told that students like when they do activities that get them moving. She asks her students what they think?

• Survey

• Observational Study

• Experiment

A school wants to know what percent of their students ride the bus home. The bus drivers as asked to count the number of students they drive one day.

• Survey

• Observational Study

• Experiment

Researchers are investigating if girls type faster than boys. They record how long it takes for a SRS of 20 boys and 20 girls to type 500 words and compare the averages.

• Survey

• Observational Study

• Experiment