Data Collection Methods

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

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

Name a potential bias...

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

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 are the treatments in this scenario?

• Students A and B

• Students who returned for another cookie

• The different cookie recipes

• Elise is the treatment

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

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.

Name a potential bias...

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

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

Name a potential bias...