When students from Sells Middle School in Dublin, Ohio head off to high school next year, they'll potentially take something with them—a U.S. patent. Students from that school and the Shelton Public School District in Connecticut tied for first place in the FIRST Lego League Global Innovation Challenge for their food safety innovations. Many of them aren't even teenagers yet, but their inventions could cause big changes—the Con
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The research designs may be roughly categorized as ‘Observational’ or ‘Experimental’. The experimental studies are done on variables whose control lies in the researcher’s hand. In an observational study, the researcher observes things as they happen. In experimental studies, the researcher observes the findings in different studies by manipulating independent variables and records the resultant variation in dependent variables.