Select an answer Observational Study Experiment The haircolor of shoppers at the mall was recorded. Select an answer Observational Study Experiment A drug is given to a group of people, and their reactions observed. Select an answer Experiment Observational Study A group of students are told to listen to music while taking a test and their results are compared to a group not listening to music. Select an answer Observational Study Experiment The temperature on randomly selected days throughout the year were measured.] Select an answer Observational Study Experiment The gender of children born in January were tallied. Select an answer Observational Study Experiment The growth rate of bacteria is compared before and after adding alcohol.
Decide if each of the following describe an observational study or an experiment.
Select an answer Observational Study Experiment The haircolor of shoppers at the mall was recorded.
Select an answer Observational Study Experiment A drug is given to a group of people, and their reactions observed.
Select an answer Experiment Observational Study A group of students are told to listen to music while taking a test and their results are compared to a group not listening to music.
Select an answer Observational Study Experiment The temperature on randomly selected days throughout the year were measured.]
Select an answer Observational Study Experiment The gender of children born in January were tallied.
Select an answer Observational Study Experiment The growth rate of bacteria is compared before and after adding alcohol.
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