A coach wants to see how long the members of the water polo team can hold their breath. He times each member and finds that the average is 45 seconds. What type of study is this?
Answer choices: Experiment
Observational study
Randomized trial
Double-blind study

Question

A coach wants to see how long the members of the water polo team can hold their breath. He times each member and finds that the average is 45 seconds. What type of study is this?
Answer choices:  Experiment 
Observational study 
Randomized trial 
Double-blind study

btaylor · Answer

What can you tell me about what each of those studies mean?

bennybop · Answer

okay, give me one moment. I cant remember off the top of my head so I need my notes

bennybop · Answer

I feel like its a randomized trial because the swimmers are randomly getting different times, if that makes sense

btaylor · Answer

It's not a randomized trial. A randomized trial means that one group of people is randomly assigned to one treatment in a study, while another group is assigned to a different treatment.