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How Accurate Are Student-Collected Data?

The Science Teacher—April/May 2008

The purpose of this study was to teach upper elementary and high school students to monitor two estuarine creeks using an adaptation of the Georgia Department of Natural Resources Adopt-A-Stream protocol. Data collected by students were then compared to data collected by a trained instructor to determine the accuracy of student-collected data for dissolved-oxygen (DO) concentration, salinity, and water temperature. Results of the study revealed that students can collect accurate data for several water-quality parameters, and these data can be presented to the community to assist in making informed decisions regarding environmental issues.
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