1.3 (Part 1) Review

Four groups of randomly selected people are assigned a different diet. After six months, the blood pressures of each group are compared.

• Observational Study

• Experiment

A researcher stood at a school parking lot entrance to see if the color of a car is related to the driver not wearing a seatbelt.

• Observational Study

• Experiment

A professor finds that people who are obese have higher cholesterol levels than those who are not obese.

• Observational Study

• Experiment

For which case below would a simulation be most appropriate?

• trying to see is more sleep leads to more energy

• trying to determine if a rocket will launch

• trying to determine whether or not weather has an effect on mood

Jill searched the Internet to find comments and reviews from people who owned the type of cell phone she was thinking of buying.

What data collection method was used?

• Observational Study

• Experiment

• Survey

• Simulation

Steven observed students entering a classroom for class and recorded whether the first half of the students who arrived for class chose to sit in the front half of the room.

What data collection method was used?

• Observational Study

• Experiment

• Survey

• Simulation

Elise gave each member of the class a random cookie, some from recipe A and some from recipe B. Then she observed which students returned for a second cookie

What data collection method was used?

• Observational Study

• Experiment

• Survey

• Simulation

Nick stood outside a movie theater and asked many of the patrons if they thought the movie they saw was good.

What data collection method was used?

• Observational Study

• Experiment

• Survey

• Simulation

Four groups of randomly selected people are assigned a different diet. After six months, the blood pressures of each group are compared.

• Observational Study

• Experiment

person observes and measures characteristic without changing the conditions

• observational study

• experiment

• treatment