One group of individuals is asked to eat a diet high in fruits,vegetables and dairy foods while a second group of individuals is asked to eat a diet with lower amounts of fruits,vegetables and dairy foods.The two groups' blood pressure readings are monitored and compared.This is an example of a(an):

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This is an example of an intervention study, where one group is given a certain treatment or intervention (in this case, a dietary change) and the outcomes are compared to a control group that has not received the intervention. This type of study allows for an investigation into cause and effect relationships.

One Group of Individuals Is Asked to Eat a Diet