Bec is conducting a study on memory. She recruits 500 undergraduate participants. She first asks the participants to indicate how many foreign countries they have visited in their life. She then shows each participant a world map and asks them to label as many countries as they can. Finally, after the participants finish, Bec asks the participants to indicate how many countries they think they labeled correctly. Which type of study did Bec design? Group of answer choices

This is an example of an observational study.

Explanation:

The case shown in the question above is an example of an observational study. This is because the text presents a study where it is not possible to establish controlled experiments, being impossible to manipulate the way the variables or the participants of the study and all the elements involved will act.

answer; the mercertator creation, is the correct answer to the above question; ///good luck

i would say b. research typically uses a variety of sources