Survey, Observation and Experiment

You want to see if students who have a 4.0 grade point average study more than those who do not.

• experiment

• observational study

Researchers wanted to know if there is a link between proximity to high-tension wires and the rate of leukemia in children. To conduct the study, researchers compared the rate of leukemia for children who lived within 1/2 mile of high-tension wires to the rate of leukemia for children who did not live within 1/2 mile of high-tension wires.

• Observational Study

• Experiment

Determining if students using a calculator on a math final exam score better than students who do not use a calculator 

• Cenus

• Sample Survey

• Experiment

• Observational Study

Estimate the number of students in your school who play video games more than 10 hours per week.

• Census

• Sample Survey

• Experiment

• Observational Study

You want to see if students who have a 4.0 grade point average study more than those who do not.

• survey

• observational study

• experiment

To test the effects of breakfast on grades I ask my students if they ate breakfast and then compare the breakfast eaters grades to the non-breakfast eaters.
This is an example of:

• Observational study

• Experiment

• Neither

• Both observational study and experiment

A(n) ____________________ is a method of data collection that involves asking questions to a sample of individuals from a population.

• survey

• experiment

• observation

• interview

A(n) ____________________ involves manipulating one or more variables to determine their effect on a dependent variable.

• survey

• observation

• experiment

• case study

A researcher wants to determine the average time high school students spend on homework each night. Which method would be most appropriate?

• Experiment

• Sample survey

• Observational study

• Secondary data analysis

In a(n) ____________________ study, researchers observe and measure variables without manipulating any factors.

• experimental

• observational

• theoretical

• clinical