Data Collection Methods

This method involves study of each and every items of the universe

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?

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?

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?

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?

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?