Statistical Studies and Data Collection Quiz Review

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

• survey

• experiment

• observation

• interview

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

• experimental

• observational

• theoretical

• clinical

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

• survey

• observation

• experiment

• case study

____________________ data is collected firsthand by the researcher for a specific purpose.

• primary

• secondary

• tertiary

• quaternary

The key difference between an experiment and an observational study is the presence of ____________________ in experiments.

• manipulation

• observation

• random sampling

• data collection

Which of the following is an advantage of surveys?

• They allow for cause-and-effect relationships to be established.

• They can collect data from a large number of people quickly.

• They eliminate all forms of bias.

• They always provide accurate results.

Which type of study is best for establishing cause-and-effect relationships?

• Sample Surveys

• Observational study

• Experiment

• All of the Above

Which of the following is an example of an experiment?

• Surveying students about their favorite school subjects

• Observing the migration patterns of birds over a year

• Testing the effectiveness of a new acne medication on volunteers

• Analyzing existing data on car accident rates in different weather conditions

What type of study is being conducted when researchers observe and record the natural behavior of wild chimpanzees without intervention?

• Sample survey

• Observational study

• Experiment

• Primary data collection

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