Data Collection More Practice

Information gained using the 5 senses

• observation

• inference

• qualitative

• quantitative

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

• Cencus

• Sample Survey

• Experiment

• Observational Study

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

Asking customers at a restaurant if pizza should be added to the menu.

• Census
• Sample Survey
• Experiment
• Observational Study

A researcher finds that people who are more hostile have higher total cholesterol levels than those who are less hostile.

• sample survey

• observational study

• experiment

• simulation

Subjects are randomly assigned to four groups. Each group is placed on one of four special diets -- a low-fat diet, a high-fish diet, a combination of low-fat and high-fish, and a regular diet. After 6 months, the blood pressures of the groups are compared to see if diet has any effect on blood pressure.

• sample survey

• observational study

• experiment

• simulation

Subjects were randomly assigned to two groups and one group was given an herb and the other a placebo. After 6 months, the numbers of respiratory tract infections each group had were compared.

• sample survey

• observational study

• experiment

• simulation

A study of the effect of aspirin on preventing heart attacks

• sample survey

• observational study

• experiment

• simulation

A student wants to know the most liked professor at her college. Which type of study would be the most practical to obtain this information?

• sample survey

• observational study

• experiment

• simulation